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Share-Based Compensation - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Mar. 30, 2013	Mar. 31, 2012	Mar. 30, 2013	Mar. 31, 2012	Aug. 23, 2012 Target	Aug. 23, 2012 Maximum	Aug. 23, 2012 Minimum
Compensation Related Costs Share Based Payments Disclosure [Line Items]
Total compensation expense related to share-based awards	$ 1.2	$ 2.8	$ 3.8	$ 4.9
Number of options exercised and restricted stock vested (in shares)			0.7
Number of shares of performance based restricted stock award (in shares)					0.10	0.15	0.05

Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

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