EQUITY AND NONCONTROLLING INTERESTS - Earnings Per Share (Details) - USD ($) shares in Thousands, $ in Thousands |
3 Months Ended | |
|---|---|---|
Mar. 30, 2024 |
Apr. 01, 2023 |
|
| Numerator: | ||
| Net income | $ 74,482 | $ 103,954 |
| Less: Net income attributable to noncontrolling interests | 1,522 | 823 |
| Net income available to Charles River Laboratories International, Inc. | 72,960 | 103,131 |
| Less: Adjustment of redeemable noncontrolling interest | 401 | 0 |
| Less: Incremental dividends attributable to noncontrolling interest holders | 5,230 | 0 |
| Net income available to Charles River Laboratories International, Inc. common shareholders | $ 67,329 | $ 103,131 |
| Denominator: | ||
| Weighted-average shares outstanding—Basic (in shares) | 51,437 | 51,097 |
| Effect of dilutive securities: | ||
| Stock options, restricted stock units and performance share units (in shares) | 405 | 331 |
| Weighted-average shares outstanding—Diluted (in shares) | 51,842 | 51,428 |
| Anti-dilutive common stock equivalents (in shares) | 448 | 405 |
| X | ||||||||||
- Definition Adjustment of Redeemable Noncontrolling Interest No definition available.
|
| X | ||||||||||
- Definition Incremental Dividends Attributed to Noncontrolling Interest Holders No definition available.
|
| X | ||||||||||
- Definition Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- References No definition available.
|
| X | ||||||||||
- Definition Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of share based payment arrangements using the treasury stock method. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition The portion of profit or loss for the period, net of income taxes, which is attributable to the parent. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- References No definition available.
|
| X | ||||||||||
- Definition Amount of Net Income (Loss) attributable to noncontrolling interest. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount, after deduction of tax, noncontrolling interests, dividends on preferred stock and participating securities; of income (loss) available to common shareholders. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- References No definition available.
|