Supplemental Stockholders' Equity Information - Summary of Stockholders' Equity (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 29, 2014	Jun. 30, 2013	Jun. 29, 2014	Jun. 30, 2013
Changes in stockholders' equity [Roll Forward]
Total stockholders' equity, period start			$ 846,534	$ 665,636
Net income/(loss)	9,060	20,137	10,913	23,460
Other comprehensive income, net of tax	3,977	4,899	7,871	7,527
Effect of issuance of shares			(823)	2,307
Dividends declared			(12,119)
Stock-based compensation			5,160	5,810
Total stockholders' equity, period end	857,536	704,740	857,536	704,740
Parent [Member]
Changes in stockholders' equity [Roll Forward]
Total stockholders' equity, period start			842,910	662,325
Net income/(loss)			10,931	23,703
Other comprehensive income, net of tax			7,871	7,527
Effect of issuance of shares			(823)	2,307
Dividends declared			(12,119)
Stock-based compensation			5,160	5,810
Total stockholders' equity, period end	853,930	701,672	853,930	701,672
Noncontrolling Interest [Member]
Changes in stockholders' equity [Roll Forward]
Total stockholders' equity, period start			3,624	3,311
Net income/(loss)			(18)	(243)
Other comprehensive income, net of tax			0	0
Effect of issuance of shares			0	0
Dividends declared			0
Stock-based compensation			0	0
Total stockholders' equity, period end	$ 3,606	$ 3,068	$ 3,606	$ 3,068