Other Comprehensive Earnings (Loss) - Schedule of Accumulated Other Comprehensive Earnings (Loss) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jul. 01, 2018	Jun. 30, 2019	Jul. 01, 2018	Jan. 01, 2018
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance at the beginning of the period			$ (294,514)	$ (239,425)
Current period other comprehensive earnings (loss)	$ 109,164	$ (2,681)	121,339	(34,148)
Balance at the end of the period	(173,175)	(295,076)	(173,175)	(295,076)
Pension and Postretirement Amounts
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance at the beginning of the period			(143,134)	(110,971)
Current period other comprehensive earnings (loss)			110,740	(21,726)
Balance at the end of the period	(32,394)	(150,762)	(32,394)	(150,762)
Gains (Losses) on Derivative Instruments
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance at the beginning of the period			1,549
Current period other comprehensive earnings (loss)			(283)
Balance at the end of the period	1,266		1,266
Gains (Losses) on Derivative Instruments
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance at the beginning of the period				(32,827)
Current period other comprehensive earnings (loss)				25,432
Balance at the end of the period		(11,055)		(11,055)
Gains (Losses) on Derivative Instruments | Foreign Exchange Forward
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance at the end of the period	(19,881)		(19,881)
Gains (Losses) on Derivative Instruments | Interest Rate Contract
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance at the end of the period	(18,615)		(18,615)
Unrealized Holding Gains (Losses) on Available- for-Sale Securities
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance at the beginning of the period			(744)	1,034
Current period other comprehensive earnings (loss)			555	(56)
Balance at the end of the period	(189)	1,200	(189)	1,200
Foreign Currency Translation Adjustments
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance at the beginning of the period			(152,185)	(96,661)
Current period other comprehensive earnings (loss)			10,327	(37,798)
Balance at the end of the period	$ (141,858)	$ (134,459)	$ (141,858)	$ (134,459)
Accounting Standards Update 2018-02
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Adoption of ASU 2018-02					$ (21,503)
Accounting Standards Update 2018-02 | Pension and Postretirement Amounts
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Adoption of ASU 2018-02					(18,065)
Accounting Standards Update 2018-02 | Gains (Losses) on Derivative Instruments
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Adoption of ASU 2018-02					(3,660)
Accounting Standards Update 2018-02 | Unrealized Holding Gains (Losses) on Available- for-Sale Securities
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Adoption of ASU 2018-02					222
Accounting Standards Update 2018-02 | Foreign Currency Translation Adjustments
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Adoption of ASU 2018-02					$ 0