Fair Value Measurements (Narrative) (Details) - USD ($)	9 Months Ended
	Dec. 31, 2015	Mar. 31, 2015	Sep. 30, 2012
Contingent consideration arrangement
Reconciliation of beginning and ending amounts related to the fair value for contingent consideration for acquisition of business, categorized as Level 3
Balance at the beginning of the period	$ 26,000,000
Payments	(1,000,000)
Change in fair value	(4,700,000)
Balance at the end of the period	20,300,000
Sanuk
Contingent consideration
Contingent consideration for acquisition of business	$ 19,700,000	$ 24,200,000
Participation payment terms	60 days
Hoka | Contingent consideration arrangement
Contingent consideration
Contingent consideration for acquisition of business		1,500,000
Maximum contingent consideration payments			$ 2,000,000
Contingent consideration arrangements amount paid	$ 1,400,000
Accrued expenses
Reconciliation of fair value for acquisition of business, categorized as Level 3 of valuation hierarchy
Deferred compensation, current	425,000	540,000
Accrued expenses | Hoka | Contingent consideration arrangement
Contingent consideration
Contingent liability, current	600,000
Other noncurrent liabilities
Reconciliation of fair value for acquisition of business, categorized as Level 3 of valuation hierarchy
Deferred compensation liability, noncurrent	$ 6,076,000	$ 5,041,000
Gross profit performance criteria | Sanuk
Contingent consideration
Contingent consideration performance percentage applied to gross profit	40.00%