Supplemental Stockholders' Equity Information - Summary of Stockholders' Equity (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 28, 2014	Sep. 29, 2013	Sep. 28, 2014	Sep. 29, 2013
Changes in stockholders' equity [Roll Forward]
Total stockholders' equity, period start			$ 846,534	$ 665,636
Net income/(loss)	(12,440)	(24,287)	(1,527)	(825)
Other comprehensive income, net of tax	13,886	6,684	21,757	14,211
Effect of issuance of shares			(841)	5,767
Dividends declared			(18,179)	(5,985)
Stock-based compensation			7,163	7,277
Total stockholders' equity, period end	854,907	686,081	854,907	686,081
Parent [Member]
Changes in stockholders' equity [Roll Forward]
Total stockholders' equity, period start			842,910	662,325
Net income/(loss)			(1,568)	(521)
Other comprehensive income, net of tax			21,757	14,211
Effect of issuance of shares			(841)	5,767
Dividends declared			(18,179)	(5,985)
Stock-based compensation			7,163	7,277
Total stockholders' equity, period end	851,242	683,074	851,242	683,074
Noncontrolling Interest [Member]
Changes in stockholders' equity [Roll Forward]
Total stockholders' equity, period start			3,624	3,311
Net income/(loss)			41	(304)
Other comprehensive income, net of tax			0	0
Effect of issuance of shares			0	0
Dividends declared			0	0
Stock-based compensation			0	0
Total stockholders' equity, period end	$ 3,665	$ 3,007	$ 3,665	$ 3,007