Commitments and Contingencies (Details) (USD $) In Thousands, unless otherwise specified	9 Months Ended			12 Months Ended	9 Months Ended	1 Months Ended
	Sep. 30, 2012 Y	Sep. 30, 2011	Sep. 30, 2012 Sanuk	Dec. 31, 2011 Sanuk	Sep. 30, 2012 Sanuk Gross profit performance criteria	Sep. 30, 2012 Hoka	Sep. 30, 2012 Purchase commitments entered in October 2011
Commitments and Contingencies
Maximum indemnity period of claims for intellectual property (in years)	5
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%
Contingent consideration	$ 1,120	$ 84,300	$ 67,924	$ 91,600		$ 1,100
Maximum contingent consideration payments						2,000
Advance Deposit							50,000
Total Minimum Commitment							270,000
Remaining Deposit							33,340
Remaining Commitments, Net of Deposit							$ 121,839