Carrying amount as of the balance sheet date, which is the cumulative amount paid and (if applicable) the fair value of any noncontrolling interest in the acquiree, adjusted for any amortization recognized prior to the adoption of any changes in generally accepted accounting principles (as applicable) and for any impairment charges, in excess of the fair value of net assets acquired in one or more business combination transactions.

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+ Details

Goodwill (Details) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2013	Mar. 31, 2013	Dec. 30, 2012	Sep. 23, 2012	Jun. 24, 2012	Mar. 25, 2012	Dec. 25, 2011
Goodwill [Roll Forward]
Goodwill, gross, beginning of period	$ 927,909
Accumulated impairment losses	(805,218)		(805,218)
Goodwill (less accumulated impairment losses), beginning of period	122,691	120,275		121,251	306,087	506,160	121,618
Foreign currency translation	(1,258)
Goodwill, gross, end of period	926,651
Goodwill (less accumulated impairment losses), end of period	$ 121,433	$ 120,275		$ 121,251	$ 306,087	$ 506,160	$ 121,618