Derivative Financial Instruments - Amount of Gain or Loss Recognized in Accumulated Other Comprehensive Income or Loss (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
Derivative Instruments, Gain (Loss) [Line Items]
Interest rate swap contracts gain	$ 1.3		$ 1.4
Interest rate swap contracts loss		(0.1)		(0.2)
Interest rate swap contracts
Derivative Instruments, Gain (Loss) [Line Items]
Interest rate swap contracts gain	1.3		1.4
Interest rate swap contracts loss		$ (0.1)		$ (0.2)