Effective Portion of Foreign Currency Forward Contracts Designated as Cash Flow Hedges (Detail) (Forward Foreign Exchange Contracts, USD $) In Millions, unless otherwise specified	12 Months Ended
	Sep. 27, 2013	Sep. 28, 2012	Sep. 30, 2011
Forward Foreign Exchange Contracts
Derivative [Line Items]
Gain (Loss) Recognized in Other Comprehensive income	$ 0.5	$ 1.4	$ (0.5)
Gain (Loss) Reclassified from Accumulated Other Comprehensive Income into Net Earnings	$ 2.5	$ 0.6	$ (1.0)