Other Expense, Net - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended	9 Months Ended	3 Months Ended	9 Months Ended	12 Months Ended
	Oct. 01, 2011	Oct. 01, 2011	Sep. 29, 2012 Other (Income) Expense	Sep. 29, 2012 Other (Income) Expense	Sep. 29, 2012 Other (Income) Expense
Components of Other Income (Expense) [Line Items]
Loss on partial extinguishment of debt			$ (3.7)	$ (3.7)
Insurance recoveries			7.2	12.3	15.7
Gain related to transaction with affiliate	$ 1.9	$ 5.8