Annual Fund Operating Expenses |
Jul. 31, 2024 |
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| Prospectus #1 | Delaware Corporate Bond Fund | Class A | ||||||||||||||||||
| Operating Expenses: | ||||||||||||||||||
| Management fees | 0.48% | |||||||||||||||||
| Distribution and service (12b-1) fees | 0.25% | |||||||||||||||||
| Other expenses | 0.19% | |||||||||||||||||
| Total annual fund operating expenses | 0.92% | |||||||||||||||||
| Fee waivers and expense reimbursements | (0.13%) | [1] | ||||||||||||||||
| Total annual fund operating expenses after fee waivers and expense reimbursements | 0.79% | |||||||||||||||||
| Prospectus #1 | Delaware Corporate Bond Fund | Class C | ||||||||||||||||||
| Operating Expenses: | ||||||||||||||||||
| Management fees | 0.48% | |||||||||||||||||
| Distribution and service (12b-1) fees | 1.00% | |||||||||||||||||
| Other expenses | 0.19% | |||||||||||||||||
| Total annual fund operating expenses | 1.67% | |||||||||||||||||
| Fee waivers and expense reimbursements | (0.13%) | [1] | ||||||||||||||||
| Total annual fund operating expenses after fee waivers and expense reimbursements | 1.54% | |||||||||||||||||
| Prospectus #1 | Delaware Corporate Bond Fund | Class R | ||||||||||||||||||
| Operating Expenses: | ||||||||||||||||||
| Management fees | 0.48% | |||||||||||||||||
| Distribution and service (12b-1) fees | 0.50% | |||||||||||||||||
| Other expenses | 0.19% | |||||||||||||||||
| Total annual fund operating expenses | 1.17% | |||||||||||||||||
| Fee waivers and expense reimbursements | (0.13%) | [1] | ||||||||||||||||
| Total annual fund operating expenses after fee waivers and expense reimbursements | 1.04% | |||||||||||||||||
| Prospectus #1 | Delaware Corporate Bond Fund | Institutional Class | ||||||||||||||||||
| Operating Expenses: | ||||||||||||||||||
| Management fees | 0.48% | |||||||||||||||||
| Distribution and service (12b-1) fees | none | |||||||||||||||||
| Other expenses | 0.19% | |||||||||||||||||
| Total annual fund operating expenses | 0.67% | |||||||||||||||||
| Fee waivers and expense reimbursements | (0.13%) | [1] | ||||||||||||||||
| Total annual fund operating expenses after fee waivers and expense reimbursements | 0.54% | |||||||||||||||||
| Prospectus #1 | Delaware Corporate Bond Fund | Class R6 | ||||||||||||||||||
| Operating Expenses: | ||||||||||||||||||
| Management fees | 0.48% | |||||||||||||||||
| Distribution and service (12b-1) fees | none | |||||||||||||||||
| Other expenses | 0.10% | [2] | ||||||||||||||||
| Total annual fund operating expenses | 0.58% | |||||||||||||||||
| Fee waivers and expense reimbursements | (0.13%) | [1] | ||||||||||||||||
| Total annual fund operating expenses after fee waivers and expense reimbursements | 0.45% | |||||||||||||||||
| Prospectus #1 | Delaware Extended Duration Bond Fund | Class A | ||||||||||||||||||
| Operating Expenses: | ||||||||||||||||||
| Management fees | 0.55% | |||||||||||||||||
| Distribution and service (12b-1) fees | 0.25% | |||||||||||||||||
| Other expenses | 0.18% | |||||||||||||||||
| Total annual fund operating expenses | 0.98% | |||||||||||||||||
| Fee waivers and expense reimbursements | (0.17%) | [3] | ||||||||||||||||
| Total annual fund operating expenses after fee waivers and expense reimbursements | 0.81% | |||||||||||||||||
| Prospectus #1 | Delaware Extended Duration Bond Fund | Class C | ||||||||||||||||||
| Operating Expenses: | ||||||||||||||||||
| Management fees | 0.55% | |||||||||||||||||
| Distribution and service (12b-1) fees | 1.00% | |||||||||||||||||
| Other expenses | 0.18% | |||||||||||||||||
| Total annual fund operating expenses | 1.73% | |||||||||||||||||
| Fee waivers and expense reimbursements | (0.17%) | [3] | ||||||||||||||||
| Total annual fund operating expenses after fee waivers and expense reimbursements | 1.56% | |||||||||||||||||
| Prospectus #1 | Delaware Extended Duration Bond Fund | Class R | ||||||||||||||||||
| Operating Expenses: | ||||||||||||||||||
| Management fees | 0.55% | |||||||||||||||||
| Distribution and service (12b-1) fees | 0.50% | |||||||||||||||||
| Other expenses | 0.18% | |||||||||||||||||
| Total annual fund operating expenses | 1.23% | |||||||||||||||||
| Fee waivers and expense reimbursements | (0.17%) | [3] | ||||||||||||||||
| Total annual fund operating expenses after fee waivers and expense reimbursements | 1.06% | |||||||||||||||||
| Prospectus #1 | Delaware Extended Duration Bond Fund | Institutional Class | ||||||||||||||||||
| Operating Expenses: | ||||||||||||||||||
| Management fees | 0.55% | |||||||||||||||||
| Distribution and service (12b-1) fees | none | |||||||||||||||||
| Other expenses | 0.18% | |||||||||||||||||
| Total annual fund operating expenses | 0.73% | |||||||||||||||||
| Fee waivers and expense reimbursements | (0.17%) | [3] | ||||||||||||||||
| Total annual fund operating expenses after fee waivers and expense reimbursements | 0.56% | |||||||||||||||||
| Prospectus #1 | Delaware Extended Duration Bond Fund | Class R6 | ||||||||||||||||||
| Operating Expenses: | ||||||||||||||||||
| Management fees | 0.55% | |||||||||||||||||
| Distribution and service (12b-1) fees | none | |||||||||||||||||
| Other expenses | 0.07% | [4] | ||||||||||||||||
| Total annual fund operating expenses | 0.62% | |||||||||||||||||
| Fee waivers and expense reimbursements | (0.16%) | [3] | ||||||||||||||||
| Total annual fund operating expenses after fee waivers and expense reimbursements | 0.46% | |||||||||||||||||
| Prospectus #2 | Delaware Floating Rate Fund | Class A | ||||||||||||||||||
| Operating Expenses: | ||||||||||||||||||
| Management fees | 0.50% | |||||||||||||||||
| Distribution and service (12b-1) fees | 0.25% | |||||||||||||||||
| Other expenses | 0.18% | |||||||||||||||||
| Acquired fund fees and expenses | 0.01% | [5] | ||||||||||||||||
| Total annual fund operating expenses | 0.94% | [6] | ||||||||||||||||
| Fee waivers and expense reimbursements | none | [7] | ||||||||||||||||
| Total annual fund operating expenses after fee waivers and expense reimbursements | 0.94% | |||||||||||||||||
| Prospectus #2 | Delaware Floating Rate Fund | Class C | ||||||||||||||||||
| Operating Expenses: | ||||||||||||||||||
| Management fees | 0.50% | |||||||||||||||||
| Distribution and service (12b-1) fees | 1.00% | |||||||||||||||||
| Other expenses | 0.18% | |||||||||||||||||
| Acquired fund fees and expenses | 0.01% | [5] | ||||||||||||||||
| Total annual fund operating expenses | 1.69% | [6] | ||||||||||||||||
| Fee waivers and expense reimbursements | none | [7] | ||||||||||||||||
| Total annual fund operating expenses after fee waivers and expense reimbursements | 1.69% | |||||||||||||||||
| Prospectus #2 | Delaware Floating Rate Fund | Class R | ||||||||||||||||||
| Operating Expenses: | ||||||||||||||||||
| Management fees | 0.50% | |||||||||||||||||
| Distribution and service (12b-1) fees | 0.50% | |||||||||||||||||
| Other expenses | 0.18% | |||||||||||||||||
| Acquired fund fees and expenses | 0.01% | [5] | ||||||||||||||||
| Total annual fund operating expenses | 1.19% | [6] | ||||||||||||||||
| Fee waivers and expense reimbursements | none | [7] | ||||||||||||||||
| Total annual fund operating expenses after fee waivers and expense reimbursements | 1.19% | |||||||||||||||||
| Prospectus #2 | Delaware Floating Rate Fund | Institutional Class | ||||||||||||||||||
| Operating Expenses: | ||||||||||||||||||
| Management fees | 0.50% | |||||||||||||||||
| Distribution and service (12b-1) fees | none | |||||||||||||||||
| Other expenses | 0.18% | |||||||||||||||||
| Acquired fund fees and expenses | 0.01% | [5] | ||||||||||||||||
| Total annual fund operating expenses | 0.69% | [6] | ||||||||||||||||
| Fee waivers and expense reimbursements | none | [7] | ||||||||||||||||
| Total annual fund operating expenses after fee waivers and expense reimbursements | 0.69% | |||||||||||||||||
| Prospectus #2 | Delaware Floating Rate Fund | Class R6 | ||||||||||||||||||
| Operating Expenses: | ||||||||||||||||||
| Management fees | 0.50% | |||||||||||||||||
| Distribution and service (12b-1) fees | none | |||||||||||||||||
| Other expenses | 0.10% | [8] | ||||||||||||||||
| Acquired fund fees and expenses | 0.01% | [5] | ||||||||||||||||
| Total annual fund operating expenses | 0.61% | [6] | ||||||||||||||||
| Fee waivers and expense reimbursements | none | [7] | ||||||||||||||||
| Total annual fund operating expenses after fee waivers and expense reimbursements | 0.61% | |||||||||||||||||
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