Equity and Noncontrolling Interest - Accumulated Other Comprehensive Income (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2018	Apr. 01, 2017
Accumulated Other Comprehensive Income (Loss), before Tax [Roll Forward]
Other comprehensive income before reclassifications	$ 24,867
Amounts reclassified from accumulated other comprehensive loss	459
Net current period other comprehensive income	25,326
Amount reclassified from accumulated other comprehensive loss due to adoption of ASU 2018-02 (See Note 1)	3,330
Income tax expense (benefit)	1,722	$ 226
Foreign Currency Translation Adjustment and Other
Accumulated Other Comprehensive Income (Loss), before Tax [Roll Forward]
December 30, 2017	(77,545)
Other comprehensive income before reclassifications	24,867
Amounts reclassified from accumulated other comprehensive loss	0
Net current period other comprehensive income	24,867
Amount reclassified from accumulated other comprehensive loss due to adoption of ASU 2018-02 (See Note 1)	0
Income tax expense (benefit)	1,840
March 31, 2018	(54,518)
Pension and Other Post-Retirement Benefit Plans
Accumulated Other Comprehensive Income (Loss), before Tax [Roll Forward]
December 30, 2017	(67,186)
Other comprehensive income before reclassifications	0
Amounts reclassified from accumulated other comprehensive loss	459
Net current period other comprehensive income	459
Amount reclassified from accumulated other comprehensive loss due to adoption of ASU 2018-02 (See Note 1)	3,330
Income tax expense (benefit)	(118)	$ 200
March 31, 2018	(69,939)
Total
Accumulated Other Comprehensive Income (Loss), before Tax [Roll Forward]
December 30, 2017	(144,731)
March 31, 2018	$ (124,457)

Tax Cuts And Jobs Act Of 2017, Reclassification From AOCI To Retained Earnings, Tax Effect

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Amount before tax and reclassification adjustments of other comprehensive income (loss).

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