CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (UNAUDITED) - USD ($) $ in Thousands	3 Months Ended
	Mar. 28, 2020	Mar. 30, 2019
Statement of Comprehensive Income [Abstract]
Net income	$ 50,837	$ 55,688
Other comprehensive income (loss):
Foreign currency translation adjustment and other	(44,855)	9,885
Amortization of net loss and prior service benefit included in net periodic cost for pension and other post-retirement benefit plans	1,374	374
Comprehensive income, before income taxes	7,356	65,947
Less: Income tax benefit related to items of other comprehensive income	(2,039)	(102)
Comprehensive income, net of income taxes	9,395	66,049
Less: Comprehensive income (loss) related to noncontrolling interests, net of income taxes	(476)	1,013
Comprehensive income attributable to common shareholders, net of income taxes	$ 9,871	$ 65,036