Changes in Accumulated Other Comprehensive Income ("AOCI") by Component, Net of Tax (Detail) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2014
Accumulated Other Comprehensive Income Loss [Line Items]
AOCI, net of tax Beginning balance	$ 8,665	$ 19,406	$ 15,600
Other comprehensive income (loss) before reclassifications	(22,456)	(10,741)	3,806
Amounts reclassified from AOCI	(226)
Net current-period other comprehensive income	(22,682)	(10,741)	3,806
AOCI, net of tax Ending balance	(14,017)	8,665	19,406
Foreign Currency Translation Adjustment
Accumulated Other Comprehensive Income Loss [Line Items]
AOCI, net of tax Beginning balance	9,466	17,963	15,600
Other comprehensive income (loss) before reclassifications	(15,651)	(8,497)	2,363
Net current-period other comprehensive income	(15,651)	(8,497)	2,363
AOCI, net of tax Ending balance	(6,185)	9,466	17,963
Defined Benefit Pension Plan
Accumulated Other Comprehensive Income Loss [Line Items]
AOCI, net of tax Beginning balance	(801)	1,443
Other comprehensive income (loss) before reclassifications	(6,805)	(2,244)	1,443
Amounts reclassified from AOCI	(226)
Net current-period other comprehensive income	(7,031)	(2,244)	1,443
AOCI, net of tax Ending balance	$ (7,832)	$ (801)	$ 1,443