Commitments and Contingencies (Details 2) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2012 Y	Mar. 31, 2011
Commitments and Contingencies
Maximum indemnity period of claims for intellectual property (in years)	5
Commitments and Contingencies
Contingent consideration	$ 62,794	$ 91,600
Sanuk | Gross profit performance criteria
Commitments and Contingencies
Contingent consideration performance percentage applied to gross profit in 2012	51.80%
Contingent consideration performance percentage applied to gross profit in 2013	36.00%
Contingent consideration performance percentage applied to gross profit in 2015	40.00%
Purchase commitments entered in October 2011
Commitments and Contingencies
Advance Deposit	50,000
Total Minimum Commitment	158,000
Remaining Deposit	50,000
Remaining Commitments, Net of Deposit	66,758
Purchase commitments entered in October 2011 | Subsequent to March 31, 2012
Commitments and Contingencies
Total Minimum Commitment	183,000
Additional minimum purchase commitment	$ 25,000