CONSOLIDATED STATEMENTS OF OPERATIONS (unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2015	Dec. 31, 2014
Income Statement [Abstract]
Net sales	$ 191,773	$ 188,688	$ 378,893	$ 376,146
Cost of goods sold	129,357	132,603	256,317	259,732
Gross profit	62,416	56,085	122,576	116,414
Selling, general and administrative expenses	39,795	36,298	78,097	71,522
Operating income	22,621	19,787	44,479	44,892
Interest expense, net	3,967	3,515	7,786	7,005
Foreign currency (gains) losses, net	2,557	(1,018)	(2,896)	(2,222)
Income before income taxes	16,097	17,290	39,589	40,109
Provision (benefit) for income taxes	(14,081)	3,042	(9,342)	6,929
Net income	$ 30,178	$ 14,248	$ 48,931	$ 33,180
Net income per share:
basic (in dollars per share)	$ 0.77	$ 0.37	$ 1.25	$ 0.85
diluted (in dollars per share)	$ 0.75	$ 0.36	$ 1.22	$ 0.84
Weighted average common shares outstanding:
basic (in shares)	39,163	38,957	39,128	38,928
diluted (in shares)	39,978	39,813	39,995	39,690
Dividends per share (in dollars per share)	$ 0.10	$ 0.10	$ 0.20	$ 0.20