Nomura Strategic Income Fund Nomura Strategic Income Fund Nomura Emerging Markets Debt Corporate Fund Nomura Emerging Markets Debt Corporate Fund Dnovemberstrategicincomefundpro_2218 (Nomura Strategic Income Fund - Classes A, C, R and Institutional) Dnovemberemergingmarketsdebtcorppro_2216 (Nomura Emerging Markets Debt Corporate Fund - Classes A, C and Institutional) Dnovembergovernmentfundsai_2227 November - Government Fund SAI Class A - C000010992 Class A Class C - C000010994 Class C Class R - C000010995 Class R Class Institutional - C000010996 Institutional Class Class A - C000130079 Class A Class C - C000130080 Class C Class Institutional - C000130082 Institutional Class Market Risk Market Risk [Member] Interest rate risk Interest rate risk [Member] credit risk credit risk [Member] High Yield (Junk) Bond Risk High Yield (Junk) Bond Risk [Member] Liquidity Risk Liquidity Risk [Member] Loans and Other Direct Indebtedness Risk Loans and Other Direct Indebtedness Risk [Member] Adjustable Rate Securities Risk Adjustable Rate Securities Risk [Member] Foreign and Emerging Markets Risk Foreign and Emerging Markets Risk [Member] Currency Risk Currency Risk [Member] Derivatives Risk Derivatives Risk [Member] Leveraging Risk Leveraging Risk [Member] Mortgage-Backed and Asset-Backed Securities Risk Mortgage-Backed and Asset-Backed Securities Risk [Member] Collateralized Loan Obligation Risk Collateralized Loan Obligation Risk [Member] Prepayment Risk Prepayment Risk [Member] Valuation Risk Valuation Risk [Member] Portfolio Turnover Risk Portfolio Turnover Risk [Member] US Government Securities Risk US Government Securities Risk [Member] Government and Regulatory Risk Government and Regulatory Risk [Member] Active Managment and Selection Risk Active Managment and Selection Risk [Member] Bloomberg US Aggregate Index (reflects no deduction for fees, expenses, or taxes) Bloomberg US Aggregate Index (reflects no deduction for fees, expenses, or taxes) Geographic Focus Risk Geographic Focus Risk [Member] Industry and sector risk Industry and sector risk [Member] Bloomberg Global Aggregate Bond Index (reflects no deduction for fees, expenses, or taxes) Bloomberg Global Aggregate Bond Index (reflects no deduction for fees, expenses, or taxes) J.P. Morgan Corporate Emerging Markets Bond Index Broad Diversified (reflects no deduction for fees, expenses, or taxes) J.P. Morgan Corporate Emerging Markets Bond Index Broad Diversified (reflects no deduction for fees, expenses, or taxes)