CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 29, 2014	Jun. 30, 2013	Jun. 29, 2014	Jun. 30, 2013
Net income	$ 47,705	$ 42,635	$ 82,849	$ 69,874
Other comprehensive income (loss), net of tax:
Foreign currency translation, net of tax of $(531) and $4,461, $(3,719) and $(1,353) for the three and six month periods, respectively	1,173	(6,100)	5,290	(32,805)
Pension and other postretirement benefit plans adjustment, net of tax of $206, $519, $709 and $1,023 for the three and six month periods, respectively	618	866	1,242	1,956
Derivatives qualifying as hedges, net of tax of $40, $(111), $82, and $(7) for the three and six month periods, respectively	73	(192)	143	(12)
Other comprehensive income (loss), net of tax:	1,864	(5,426)	6,675	(30,861)
Comprehensive income	49,569	37,209	89,524	39,013
Less: comprehensive income attributable to non-controlling interest	455	2	707	244
Comprehensive income attributable to common shareholders	$ 49,114	$ 37,207	$ 88,817	$ 38,769