Derivative Instruments and Hedging Activities - Effective Portion of Foreign Currency Forward Contracts Designated as Cash Flow Hedges (Detail) - Foreign currency forward contracts - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Jul. 03, 2015	Jun. 27, 2014	Jul. 03, 2015	Jun. 27, 2014
Derivative [Line Items]
Gain (Loss) Recognized in Other Comprehensive Income (Effective Portion)	$ 0.3	$ 0.1	$ 2.3	$ 2.2
Gain (Loss) Reclassified from Accumulated Other Comprehensive Income into Net Earnings (Effective Portion)	$ 0.7	$ (0.3)	$ 3.4	$ 1.0