CONDENSED CONSOLIDATED STATEMENT OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 25, 2012
CASH FLOWS FROM OPERATING ACTIVITIES:
Net cash provided by (used in) operating activities	$ 63,412	$ (24,417)
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of property, plant and equipment	(5,107)	(6,955)
Proceeds from sale of property, plant and equipment and other	657	447
Proceed from sale of certificate of deposit	1,010
Net cash used in investing activities	(3,440)	(6,508)
CASH FLOWS FROM FINANCING ACTIVITIES:
Repurchase of public notes and related expenses	(154,781)	(29,355)
Other	(645)	(1,357)
Net cash used in financing activities	(155,426)	(30,712)
Decrease in cash and cash equivalents	(95,454)	(61,637)
Cash and cash equivalents at beginning of period	113,088	86,020
CASH AND CASH EQUIVALENTS AT END OF PERIOD	$ 17,634	$ 24,383