CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 28, 2014	Sep. 29, 2013	Sep. 28, 2014	Sep. 29, 2013
Statement of Comprehensive Income [Abstract]
Net income	$ 54,957	$ 46,808	$ 137,806	$ 116,682
Other comprehensive income (loss), net of tax:
Foreign currency translation, net of tax of $12,721, $(6,520), $13,252 and $(5,167) for the three and nine month periods, respectively	(46,395)	23,530	(41,105)	(9,275)
Pension and other postretirement benefit plans adjustment, net of tax of $(526), $(502), $(1,235) and $(1,525) for the three and nine month periods, respectively	1,094	779	2,336	2,735
Derivatives qualifying as hedges, net of tax of $(34), $23, $(117) and $30 for the three and nine month periods, respectively	60	(40)	203	(52)
Other comprehensive income (loss), net of tax:	(45,241)	24,269	(38,566)	(6,592)
Comprehensive income	9,716	71,077	99,240	110,090
Less: comprehensive income attributable to non-controlling interest	86	128	793	372
Comprehensive income attributable to common shareholders	$ 9,630	$ 70,949	$ 98,447	$ 109,718