Valuation and Qualifying Accounts (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jun. 30, 2014		Jun. 30, 2013		Jun. 30, 2012
Allowance for doubtful accounts
Valuation And Qualifying Accounts Disclosure [Line Items]
Balance at Beginning of Year	$ 1,479		$ 1,536		$ 766
Additions Charged to Expense	993		(92)		940
Additions Charged to Other Accounts			179	[1]	(18)
Deduction from Reserves	(620)	[2]	(144)	[2]	(152)	[2]
Balance at End of Year	1,852		1,479		1,536
Warranty reserves
Valuation And Qualifying Accounts Disclosure [Line Items]
Balance at Beginning of Year	1,661		1,247		1,187
Additions Charged to Expense	1,868		1,851		1,710
Additions Charged to Other Accounts	1,173	[3]
Deduction from Reserves	(1,843)		(1,437)		(1,650)
Balance at End of Year	$ 2,859		$ 1,661		$ 1,247

[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