Operating Segments and Revenue by Product Families, Geographic Area and Significant Customers - Revenues by Product Lines (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Jun. 29, 2014	Mar. 30, 2014	Dec. 29, 2013	Sep. 29, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 30, 2012	Sep. 30, 2012	Jun. 29, 2014	Jun. 30, 2013	Jul. 01, 2012
Segment Reporting Information [Line Items]
Total net revenues	$ 99,775	$ 109,730	$ 122,996	$ 114,832	$ 120,369	$ 116,786	$ 122,145	$ 119,267	$ 447,333	$ 478,567	$ 501,769
Network Visibility Products
Segment Reporting Information [Line Items]
Total net revenues									33,878	13,184	0
Connectivity Segment
Segment Reporting Information [Line Items]
Total net revenues									413,455	465,383	501,769
Connectivity Segment | Network Connectivity Products
Segment Reporting Information [Line Items]
Total net revenues									318,940	360,974	362,315
Connectivity Segment | Storage Connectivity & Other Products
Segment Reporting Information [Line Items]
Total net revenues									$ 94,515	$ 104,409	$ 139,454