Condensed Consolidated Statements of Shareholders' Equity (Unaudited) - USD ($) $ in Thousands	Total	Common Stock	Retained Earnings	Accumulated Other Comprehensive Loss
Beginning balance (in shares) at Jun. 30, 2019		25,408,397
Beginning balance at Jun. 30, 2019	$ 914,129	$ 64,287	$ 939,930	$ (90,088)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net (loss) income	11,530		11,530
Unrealized gain (loss) on hedged transaction, net of tax	(1,071)			(1,071)
Unrealized foreign currency translation adjustment	(14,639)			(14,639)
Exercise of stock options and shares issued under share-based compensation plans, net of shares withheld for employee taxes (in shares)		786
Exercise of stock options and shares issued under share-based compensation plans, net of shares withheld for employee taxes	(12)	$ (12)
Common stock repurchased (in shares)		(168,068)
Common stock repurchased	(5,432)	$ (5,432)
Share-based compensation	1,246	$ 1,246
Ending balance (in shares) at Sep. 30, 2019		25,241,115
Ending balance at Sep. 30, 2019	905,751	$ 60,089	951,460	(105,798)
Beginning balance (in shares) at Jun. 30, 2019		25,408,397
Beginning balance at Jun. 30, 2019	914,129	$ 64,287	939,930	(90,088)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net (loss) income	22,896
Unrealized gain (loss) on hedged transaction, net of tax	(171)
Unrealized foreign currency translation adjustment	(6,085)
Realized foreign currency loss from discontinued operations	0
Ending balance (in shares) at Dec. 31, 2019		25,345,798
Ending balance at Dec. 31, 2019	927,580	$ 61,095	962,825	(96,340)
Beginning balance (in shares) at Sep. 30, 2019		25,241,115
Beginning balance at Sep. 30, 2019	905,751	$ 60,089	951,460	(105,798)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net (loss) income	11,366		11,366
Unrealized gain (loss) on hedged transaction, net of tax	900			900
Unrealized foreign currency translation adjustment	8,558			8,558
Realized foreign currency loss from discontinued operations	0
Exercise of stock options and shares issued under share-based compensation plans, net of shares withheld for employee taxes (in shares)		104,683
Exercise of stock options and shares issued under share-based compensation plans, net of shares withheld for employee taxes	(621)	$ (621)
Share-based compensation	1,627	$ 1,627
Ending balance (in shares) at Dec. 31, 2019		25,345,798
Ending balance at Dec. 31, 2019	927,580	$ 61,095	962,825	(96,340)
Beginning balance (in shares) at Jun. 30, 2020		25,361,298
Beginning balance at Jun. 30, 2020	678,246	$ 63,765	747,276	(132,795)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net (loss) income	(11,819)		(11,819)
Unrealized gain (loss) on hedged transaction, net of tax	109			109
Unrealized foreign currency translation adjustment	3,511			3,511
Share-based compensation	1,180	$ 1,180
Ending balance (in shares) at Sep. 30, 2020		25,361,298
Ending balance at Sep. 30, 2020	671,227	$ 64,945	735,457	(129,175)
Beginning balance (in shares) at Jun. 30, 2020		25,361,298
Beginning balance at Jun. 30, 2020	678,246	$ 63,765	747,276	(132,795)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net (loss) income	(26,013)
Unrealized gain (loss) on hedged transaction, net of tax	628
Unrealized foreign currency translation adjustment	15,484
Realized foreign currency loss from discontinued operations	11,635
Ending balance (in shares) at Dec. 31, 2020		25,451,640
Ending balance at Dec. 31, 2020	682,139	$ 65,924	721,263	(105,048)
Beginning balance (in shares) at Sep. 30, 2020		25,361,298
Beginning balance at Sep. 30, 2020	671,227	$ 64,945	735,457	(129,175)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net (loss) income	(14,194)		(14,194)
Unrealized gain (loss) on hedged transaction, net of tax	519			519
Unrealized foreign currency translation adjustment	11,974			11,974
Realized foreign currency loss from discontinued operations	11,635			11,635
Exercise of stock options and shares issued under share-based compensation plans, net of shares withheld for employee taxes (in shares)		90,342
Exercise of stock options and shares issued under share-based compensation plans, net of shares withheld for employee taxes	(1,036)	$ (1,036)
Share-based compensation	2,015	$ 2,015
Ending balance (in shares) at Dec. 31, 2020		25,451,640
Ending balance at Dec. 31, 2020	$ 682,139	$ 65,924	$ 721,263	$ (105,048)