Stock-Based Compensation - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended				1 Months Ended			3 Months Ended
	Sep. 29, 2013	Jun. 30, 2013	Sep. 30, 2012	Jul. 01, 2012	May 09, 2013 2003 equity incentive plan [Member]	May 15, 2013 Employee stock purchase plan [Member]	May 09, 2013 Restricted stock and/or restricted stock units (''RSUs'') [Member] 2003 equity incentive plan [Member]	Sep. 29, 2013 Stock options [Member]	Sep. 29, 2013 Service-based RSUs [Member]	Sep. 29, 2013 Performance-based RSUs [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares available for new issuances					20	30	15
The date within which incentive stock options can be granted					Feb. 05, 2023
Value limit of awards granted in any fiscal year to non-employee director					$ 0.5
The date till which the term of the ESPP extended						May 14, 2023
Total unrecognized compensation expense, net of estimated forfeitures								32.3
Period to recognize total unrecognized compensation expense, net of estimated forfeitures on a weighted-average basis								2 years 3 months 18 days	2 years 7 months 6 days	1 year 6 months
Total unrecognized compensation expense related to RSUs, net of estimated forfeitures									$ 107.4	$ 12.8
Shares issued under ESPP		3.2		2.8