Valuation and Qualifying Accounts (Detail) - USD ($) $ in Thousands		12 Months Ended
		Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2013
Allowance for doubtful accounts
Valuation And Qualifying Accounts Disclosure [Line Items]
Balance at Beginning of Year		$ 1,852	$ 1,479	$ 1,536
Additions Charged to Expense		(482)	993	(92)
Additions Charged to Other Accounts	[1]			179
Deduction from Reserves	[2]	(322)	(620)	(144)
Balance at End of Year		1,048	1,852	1,479
Warranty reserve
Valuation And Qualifying Accounts Disclosure [Line Items]
Balance at Beginning of Year		2,859	1,661	1,247
Additions Charged to Expense		5,047	1,868	1,851
Additions Charged to Other Accounts	[3]		1,173
Deduction from Reserves		(4,655)	(1,843)	(1,437)
Balance at End of Year		$ 3,251	$ 2,859	$ 1,661

[1] Primarily relates to allowance for doubtful accounts from the acquisitions.

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

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