Supplemental Stockholders' Equity Information - Stockholders' Equity (Details) (USD $) In Thousands	3 Months Ended		6 Months Ended
	Jun. 26, 2011	Jun. 27, 2010	Jun. 26, 2011	Jun. 27, 2010
Changes in stockholders' equity
Total stockholders' equity, period start			$ 664,076	$ 607,243
Net (loss)/income	(119,823)	31,819	(114,597)	45,977
Other comprehensive income (loss)	2,700	(4,477)	10,183	(7,511)
Issuance of shares			5,762	6,558
Stock-based compensation			7,955	4,103
Total stockholders' equity, period end	573,379	656,370	573,379	656,370
Parent [Member]
Changes in stockholders' equity
Total stockholders' equity, period start			659,927	604,042
Net (loss)/income			(114,299)	44,826
Other comprehensive income (loss)			10,183	(7,511)
Issuance of shares			5,762	6,558
Stock-based compensation			7,955	4,103
Total stockholders' equity, period end	569,528	652,018	569,528	652,018
Noncontrolling Interest [Member]
Changes in stockholders' equity
Total stockholders' equity, period start			4,149	3,201
Net (loss)/income			(298)	1,151
Other comprehensive income (loss)			0	0
Issuance of shares			0	0
Stock-based compensation			0	0
Total stockholders' equity, period end	$ 3,851	$ 4,352	$ 3,851	$ 4,352