Contingencies (Details) (USD $)	3 Months Ended	9 Months Ended
Oct. 02, 2011	Oct. 02, 2011	Nov. 18, 2010
Contingencies [Abstract]
Contingent consideration, minimum
Contingent consideration, maximum	60,000,000	60,000,000
Contingent purchase consideration			28,200,000
Gain on liability for contingent consideration	$ 29,376,000	$ 29,376,000

Fair value, as of the acquisition date, of potential payments under the contingent consideration arrangement including cash and shares.

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+ Details