Summary of Significant Accounting Policies - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Jun. 30, 2013	Jul. 01, 2012
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Benefit rate realized upon settlement minimum	50.00%
Unbilled receivables	$ 5.7	$ 5.6
Minimum [Member]
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Short-term investments, maturity period, months	3 months
Range of standard warranty agreement	1 year
Applicability of extended warranty contract	1 year
Maximum [Member]
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Short-term investments, maturity period, months	36 months
Range of standard warranty agreement	20 years
Applicability of extended warranty contract	9 years