Condensed Consolidated Statements of Comprehensive Loss - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Jun. 30, 2015	Jun. 30, 2014
Income Statement [Abstract]
Net sales	$ 213,805	$ 211,469
Cost of sales	127,209	124,697
Gross profit	86,596	86,772
Selling, general and administrative expenses	150,304	137,254
Loss from operations	(63,708)	(50,482)
Other expense (income), net:
Interest income	(116)	(54)
Interest expense	1,035	438
Other, net	55	(96)
Total other expenses, net	974	288
Loss before income taxes	(64,682)	(50,770)
Income tax benefit	(17,355)	(13,708)
Net loss	(47,327)	(37,062)
Other comprehensive income (loss), net of tax:
Unrealized loss on foreign currency hedging	(1,463)	(260)
Foreign currency translation adjustment	2,766	476
Total other comprehensive income, net	1,303	216
Comprehensive loss	$ (46,024)	$ (36,846)
Net loss per share:
Basic (in dollars per share)	$ (1.43)	$ (1.07)
Diluted (in dollars per share)	$ (1.43)	$ (1.07)
Weighted-average common shares outstanding:
Basic (in shares)	33,117	34,626
Diluted (in shares)	33,117	34,626