Stock-Based Compensation - Summary of Option Activity Under Plans (Detail) (USD $) In Millions, except Share data, unless otherwise specified	12 Months Ended
	Jun. 29, 2014	Jun. 30, 2013
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Options outstanding at beginning	4,220,262
Options granted	525,374
Options exercised	(94,898)
Options expired	(1,721,281)
Options forfeited	(117,538)
Options outstanding at end	2,811,919	4,220,262
Options vested and expected to vest	2,785,309
Options exercisable	2,122,022
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract]
Options outstanding, weighted average exercise price at beginning	$ 12.28
Options granted, weighted average exercise price	$ 7.35
Options exercised, weighted average exercise price	$ 4.35
Options expired, weighted average exercise price	$ 15.37
Options forfeited, weighted average exercise price	$ 7.65
Options outstanding, weighted average exercise price at end	$ 9.95	$ 12.28
Options vested and expected to vest, weighted average exercise price	$ 9.99
Options exercisable, weighted average exercise price	$ 10.80
Share-based Compensation Arrangement by Share-based Payment Award, Options, Weighted Average Remaining Contractual Term [Roll Forward]
Options outstanding, weighted average remaining contractual term	2 years 5 months 19 days	2 years 5 months 19 days
Options vested and expected to vest, weighted average remaining contractual term	2 years 5 months 5 days
Options exercisable, weighted average remaining contractual term	1 year 9 months 7 days
Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract]
Options outstanding, aggregate intrinsic value at beginning	$ 0.6
Options outstanding, aggregate intrinsic value at end	0.2	0.6
Options vested and expected to vest, aggregate intrinsic value	0.2
Options exercisable, aggregate intrinsic value	$ 0.2