Commitments and Contingencies (Narrative) (Details)	9 Months Ended
	Dec. 31, 2015 USD ($) claim	Mar. 31, 2015 USD ($)	Sep. 30, 2012 USD ($)
Commitments and Contingencies
Maximum indemnity period of claims for intellectual property	5 years
Indemnification
Commitments and Contingencies
Number of pending claims | claim	0
Future capital expenditures
Commitments and Contingencies
Material commitments	$ 9,000,000
Sanuk
Commitments and Contingencies
Contingent consideration for acquisition of business	$ 19,700,000	$ 24,200,000
Participation payment terms	60 days
Contingent consideration arrangement | Hoka
Commitments and Contingencies
Contingent consideration for acquisition of business		$ 1,500,000
Maximum contingent consideration payments			$ 2,000,000
Contingent consideration arrangements amount paid	$ 1,400,000
Accounts payable and accrued liabilities | Contingent consideration arrangement | Hoka
Commitments and Contingencies
Contingent liability, current	$ 600,000
Gross profit performance criteria | Sanuk
Commitments and Contingencies
Contingent consideration performance percentage applied to gross profit	40.00%