Summary of Significant Accounting Policies - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Jun. 29, 2014 Segment	Jun. 30, 2013	Jul. 01, 2012	Jul. 03, 2011
Summary Of Significant Accounting Policies [Line Items]
Number of weeks in fiscal year	364 days			371 days
Foreign exchange (losses)/gains	$ (0.2)	$ (5.0)	$ 0.4
Cash equivalents original maturity period description	three months or less
Restricted cash	0.3	0.3
Product warranty period, Minimum	1 year
Product warranty period, Maximum	5 years
Advertising costs	$ 6.9	$ 5.0	$ 6.3
Income tax benefit realization probability percentage	50.00%
Number of electronics manufacturing services providers, description	Also, the Company relies on five Electronics Manufacturing Services (EMS) providers for the manufacturing of its products.
Number of reportable business segments	2
Supplier Concentration Risk
Summary Of Significant Accounting Policies [Line Items]
Concentration risk, number of service providers	5
Sales Revenue, Goods, Net | Top Five Customers Concentration Risk
Summary Of Significant Accounting Policies [Line Items]
Concentration risk percentage	65.00%	71.00%	70.00%
Sales Revenue, Goods, Net | US and Asia Pacific Geographic Concentration Risk
Summary Of Significant Accounting Policies [Line Items]
Concentration risk percentage	85.00%	85.00%	85.00%
Minimum
Summary Of Significant Accounting Policies [Line Items]
Finite-lived intangible assets, useful life	1 year
Maximum
Summary Of Significant Accounting Policies [Line Items]
Finite-lived intangible assets, useful life	13 years
Building improvements | Minimum
Summary Of Significant Accounting Policies [Line Items]
Property, plant and equipment, useful life	1 year
Building improvements | Maximum
Summary Of Significant Accounting Policies [Line Items]
Property, plant and equipment, useful life	5 years
Buildings and land improvements | Maximum
Summary Of Significant Accounting Policies [Line Items]
Property, plant and equipment, useful life	39 years
Production and test equipment | Minimum
Summary Of Significant Accounting Policies [Line Items]
Property, plant and equipment, useful life	1 year
Production and test equipment | Maximum
Summary Of Significant Accounting Policies [Line Items]
Property, plant and equipment, useful life	7 years
Furniture and Fixtures | Minimum
Summary Of Significant Accounting Policies [Line Items]
Property, plant and equipment, useful life	1 year
Furniture and Fixtures | Maximum
Summary Of Significant Accounting Policies [Line Items]
Property, plant and equipment, useful life	10 years