Geographical Information of Revenue (Detail) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2014
Revenues From External Customers And Long Lived Assets [Line Items]
Revenues	$ 241,470	$ 205,105	$ 191,434	$ 189,207	$ 196,683	$ 182,709	$ 176,736	$ 185,833	$ 827,216	$ 741,961	$ 683,261
UNITED STATES
Revenues From External Customers And Long Lived Assets [Line Items]
Revenues									266,347	241,974	263,493
CHINA
Revenues From External Customers And Long Lived Assets [Line Items]
Revenues									172,292	140,586	114,247
HONG KONG
Revenues From External Customers And Long Lived Assets [Line Items]
Revenues									140,821	109,428	54,602
GERMANY
Revenues From External Customers And Long Lived Assets [Line Items]
Revenues									72,070	77,524	69,983
JAPAN
Revenues From External Customers And Long Lived Assets [Line Items]
Revenues									57,287	52,864	38,110
SWITZERLAND
Revenues From External Customers And Long Lived Assets [Line Items]
Revenues									54,760	56,940	70,260
VIET NAM
Revenues From External Customers And Long Lived Assets [Line Items]
Revenues									24,267	24,307	23,141
ITALY
Revenues From External Customers And Long Lived Assets [Line Items]
Revenues									10,160	9,313	8,897
UNITED KINGDOM
Revenues From External Customers And Long Lived Assets [Line Items]
Revenues									8,154	7,749	7,148
PHILIPPINES
Revenues From External Customers And Long Lived Assets [Line Items]
Revenues									8,106	11,334	14,959
BELGIUM
Revenues From External Customers And Long Lived Assets [Line Items]
Revenues									6,026	5,731	6,578
KOREA
Revenues From External Customers And Long Lived Assets [Line Items]
Revenues									3,887
SINGAPORE
Revenues From External Customers And Long Lived Assets [Line Items]
Revenues									3,039	3,897	8,273
AUSTRALIA
Revenues From External Customers And Long Lived Assets [Line Items]
Revenues										314	3,570
Total Non-United States
Revenues From External Customers And Long Lived Assets [Line Items]
Revenues									$ 560,869	$ 499,987	$ 419,768