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CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	12 Months Ended
	Dec. 29, 2018	Dec. 30, 2017	Dec. 31, 2016
Statement of Comprehensive Income [Abstract]
Net income	$ 228,724	$ 125,449	$ 156,366
Other comprehensive income (loss):
Foreign currency translation adjustment and other	(28,305)	78,084	(73,243)
Pension and other post-retirement benefit plans (Note 12):
Prior service cost and (losses) gains arising during the period	(1,659)	36,593	(60,678)
Amortization of net loss and prior service benefit included in net periodic cost for pension and other post-retirement benefit plans	2,477	3,344	1,711
Comprehensive income, before income taxes	201,237	243,470	24,156
Less: Income tax (benefit) expense related to items of other comprehensive income (Note 10)	(1,892)	7,954	(12,369)
Comprehensive income, net of income taxes	203,129	235,516	36,525
Less: Comprehensive income (loss) related to noncontrolling interests, net of income taxes	1,398	3,128	(24)
Comprehensive income attributable to common shareholders, net of income taxes	$ 201,731	$ 232,388	$ 36,549

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