Derivative Financial Instruments - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended		3 Months Ended
	Sep. 29, 2012	Sep. 29, 2012 Interest rate swap contracts [Member]	Sep. 29, 2012 Maximum [Member]	Sep. 29, 2012 Minimum [Member]	Sep. 29, 2012 Other Accrued Expenses [Member]	Jun. 30, 2012 Other Accrued Expenses [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Percentage of outstanding variable rate debt modified	7.30%
Other accrued expenses on interest rate swap contracts					$ 1.7	$ 1.4
Net loss deferred in accumulated other comprehensive income	1.1
Loss expected to be reclassified to interest expense	0.4
Notional amount of interest rate swap contracts to pay fixed rates of interest and to receive variable rates of interest		90.0
Forward starting interest rate swap contracts		75.0
Notional amount of derivatives maturing in the next 12 months	15.0
Notional amount of derivatives maturing in the next 25-36 months	$ 75.0
Average rate on interest rate swap contracts	1.61%
Maturity period of notional amount of interest rate swap 1	12 months
Maturity period of notional amount of interest rate swap 3			36 months	25 months