Supplemental Stockholders' Equity Information - Summary of Stockholders' Equity (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended						6 Months Ended		12 Months Ended
	Jun. 30, 2013	Mar. 31, 2013	Dec. 30, 2012	Sep. 23, 2012	Jun. 24, 2012	Mar. 25, 2012	Jun. 30, 2013	Jun. 24, 2012	Dec. 30, 2012	Dec. 25, 2011
Changes in stockholders' equity [Roll Forward]
Total stockholders' equity, period start	$ 676,424	$ 665,635	$ 503,787	$ 495,071	$ 583,677	$ 536,827	$ 665,635	$ 536,827	$ 536,827
Net income/(loss)	20,137	3,323	178,388	2,724	(87,649)	42,550	23,460	(45,099)	136,013	(38,203)
Other comprehensive income, net of tax	4,899	2,628	(17,382)	4,191	(2,673)	352	7,527	(2,321)	(15,512)	(124,908)
Effect of issuance of shares							2,307	1,057
Stock-based compensation							5,810	4,607
Total stockholders' equity, period end	704,739	676,424	665,635	503,787	495,071	583,677	704,739	495,071	665,635	536,827
Parent [Member]
Changes in stockholders' equity [Roll Forward]
Total stockholders' equity, period start		662,324				533,678	662,324	533,678	533,678
Net income/(loss)							23,703	(45,019)
Other comprehensive income, net of tax							7,527	(2,321)
Effect of issuance of shares							2,307	1,057
Stock-based compensation							5,810	4,607
Total stockholders' equity, period end	701,671				492,002		701,671	492,002
Noncontrolling Interest [Member]
Changes in stockholders' equity [Roll Forward]
Total stockholders' equity, period start		3,311				3,149	3,311	3,149	3,149
Net income/(loss)							(243)	(80)
Other comprehensive income, net of tax							0	0
Effect of issuance of shares							0	0
Stock-based compensation							0	0
Total stockholders' equity, period end	$ 3,068				$ 3,069		$ 3,068	$ 3,069