Supplemental Stockholders' Equity Information (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 24, 2012	Jun. 26, 2011	Jun. 24, 2012	Jun. 26, 2011
Changes in stockholders' equity
Total stockholders' equity, period start			$ 509,509	$ 664,076
Net loss	(88,176)	(119,823)	(46,099)	(114,597)
Other comprehensive loss, net of tax	(2,631)	2,700	(2,233)	10,183
Effect of issuance of shares			1,057	5,762
Stock-based compensation			4,607	7,955
Total stockholders' equity, period end	466,841	573,379	466,841	573,379
Parent [Member]
Changes in stockholders' equity
Total stockholders' equity, period start			506,360	659,927
Net loss			(46,019)	(114,299)
Other comprehensive loss, net of tax			(2,233)	10,183
Effect of issuance of shares			1,057	5,762
Stock-based compensation			4,607	7,955
Total stockholders' equity, period end	463,772	569,528	463,772	569,528
Noncontrolling Interest [Member]
Changes in stockholders' equity
Total stockholders' equity, period start			3,149	4,149
Net loss			(80)	(298)
Other comprehensive loss, net of tax			0	0
Effect of issuance of shares			0	0
Stock-based compensation			0	0
Total stockholders' equity, period end	$ 3,069	$ 3,851	$ 3,069	$ 3,851