Valuation and Qualifying Accounts (Detail) - USD ($) $ in Thousands		12 Months Ended
		Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2014
Allowance for doubtful accounts
Valuation And Qualifying Accounts Disclosure [Line Items]
Balance at Beginning of Year		$ 1,048	$ 1,852	$ 1,479
Additions Charged to Expense		1,123	(482)	993
Deduction from Reserves	[1]	(155)	(322)	(620)
Balance at End of Year		2,016	1,048	1,852
Warranty reserve
Valuation And Qualifying Accounts Disclosure [Line Items]
Balance at Beginning of Year		3,251	2,859	1,661
Additions Charged to Expense		4,648	5,047	1,868
Additions Charged to Other Accounts	[2]	82		1,173
Deduction from Reserves		(4,073)	(4,655)	(1,843)
Balance at End of Year		3,908	3,251	$ 2,859
Deferred tax asset valuation allowance
Valuation And Qualifying Accounts Disclosure [Line Items]
Balance at Beginning of Year		2,713
Additions Charged to Expense		8,464
Additions Charged to Other Accounts	[3]	36,240
Deduction from Reserves	[4]	(4,776)
Balance at End of Year		$ 42,641	$ 2,713

[1] Primarily relates to write-offs of accounts receivable.

[2] Relates to the warranty reserve acquired from the acquisitions.

[3] Valuation allowance recorded through goodwill.

[4] Reduction in valuation allowance as a result of divesture of portion of business.