CONSOLIDATED STATEMENTS OF OPERATIONS (unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2018	Dec. 31, 2017
Income Statement [Abstract]
Net sales	$ 218,223	$ 205,876	$ 418,376	$ 399,288
Cost of goods sold	149,579	138,957	283,927	268,987
Gross profit	68,644	66,919	134,449	130,301
Selling, general and administrative expenses	42,938	42,981	85,890	83,976
Operating income	25,706	23,938	48,559	46,325
Interest expense, net	3,015	3,050	5,798	6,168
Foreign currency (gains) losses, net	2,617	(323)	(18)	2
Income before income taxes	20,074	21,211	42,779	40,155
Provision for income taxes	5,326	14,179	11,717	17,231
Net income	$ 14,748	$ 7,032	$ 31,062	$ 22,924
Net income per share
basic (in dollars per share)	$ 0.37	$ 0.17	$ 0.77	$ 0.57
diluted (in dollars per share)	$ 0.36	$ 0.17	$ 0.77	$ 0.57
Weighted average common shares outstanding
basic (in shares)	40,383	40,186	40,376	40,065
diluted (in shares)	40,523	40,364	40,523	40,329