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Basis of Presentation (Details) - USD ($) $ in Thousands | 3 Months Ended |
--- | --- | ---
Mar. 31, 2018 | Apr. 01, 2017 | Dec. 30, 2017
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |
Amount reclassified from accumulated other comprehensive loss to retained earnings | $ 3,330 |  |
Adjustments to operating income related to adoption of new accounting guidance | 67,829 | $ 69,706 |
Other assets | 136,632 |  | $ 124,002
Retained earnings | 346,044 |  | 288,658
Deferred tax assets | 26,237 |  | $ 22,654
Accounting Standards Update 2017-07 |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |
Adjustments to operating income related to adoption of new accounting guidance |  | 200 |
Accounting Standards Update 2016-01 |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |
Other assets | 1,900 |  |
Retained earnings | 1,400 |  |
Deferred tax assets | 500 |  |
RMS |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |
Adjustments to operating income related to adoption of new accounting guidance | 38,527 | 37,690 |
RMS | Accounting Standards Update 2017-07 |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |
Adjustments to operating income related to adoption of new accounting guidance |  | (100) |
DSA |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |
Adjustments to operating income related to adoption of new accounting guidance | 40,859 | 38,335 |
DSA | Accounting Standards Update 2017-07 |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |
Adjustments to operating income related to adoption of new accounting guidance |  | (300) |
Manufacturing |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |
Adjustments to operating income related to adoption of new accounting guidance | 28,523 | 26,600 |
Manufacturing | Accounting Standards Update 2017-07 |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |
Adjustments to operating income related to adoption of new accounting guidance |  | (100) |
Unallocated corporate |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |
Adjustments to operating income related to adoption of new accounting guidance | $ (40,080) | (32,919) |
Unallocated corporate | Accounting Standards Update 2017-07 |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |
Adjustments to operating income related to adoption of new accounting guidance |  | $ 600 |

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