Intangibles and Other Assets - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 29, 2012	Dec. 31, 2011	Jan. 01, 2011
Intangibles And Other Assets Net [Line Items]
Amortization expense of intangible and other assets	$ 35.4	$ 35.7	$ 26.5
Amortization expense of deferred financing assets	3.7	3.9	2.7
Information Technology [Member]
Intangibles And Other Assets Net [Line Items]
Amortization expense of intangible and other assets	$ 2.9	$ 2.7	$ 2.2