Purchase Price at the Date of Acquisition (Detail) - USD ($) $ in Thousands	1 Months Ended	12 Months Ended
	Feb. 29, 2016	Jun. 30, 2016	Jun. 30, 2014
Business Acquisition [Line Items]
Net cash paid at acquisition		$ 122,157	$ 177,676
EpiWorks
Business Acquisition [Line Items]
Net cash paid at acquisition	$ 42,981
Cash paid for working capital adjustment	163
Fair value of cash earnout arrangement	4,352
Purchase price	$ 47,496