Schedule of Income Taxes Paid (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Sep. 27, 2013	Sep. 28, 2012	Sep. 30, 2011
Income Taxes Paid Net [Line Items]
Income taxes paid	$ 203.4	$ 134.6	$ 139.4
Federal
Income Taxes Paid Net [Line Items]
Income taxes paid	119.1	77.6	70.0
State
Income Taxes Paid Net [Line Items]
Income taxes paid	14.9	9.3	11.9
Foreign
Income Taxes Paid Net [Line Items]
Income taxes paid	$ 69.4	$ 47.7	$ 57.5