Revolving Credit Facility - Additional Information (Detail) (USD $)	3 Months Ended		9 Months Ended			1 Months Ended	9 Months Ended		1 Months Ended	9 Months Ended		1 Months Ended	9 Months Ended	1 Months Ended
	Sep. 29, 2013	Sep. 30, 2012	Sep. 29, 2013	Sep. 30, 2012	Dec. 30, 2012	Oct. 28, 2011 2011 Revolving Credit Facility	Sep. 29, 2013 2011 Revolving Credit Facility	Sep. 29, 2013 Minimum	Oct. 28, 2011 Minimum 2011 Revolving Credit Facility	Sep. 29, 2013 Minimum 2011 Revolving Credit Facility	Sep. 29, 2013 Maximum	Oct. 28, 2011 Maximum 2011 Revolving Credit Facility	Sep. 29, 2013 Maximum 2011 Revolving Credit Facility	Oct. 28, 2011 Scenario One 2011 Revolving Credit Facility	Oct. 28, 2011 Scenario Two 2011 Revolving Credit Facility
Line of Credit Facility [Line Items]
Revolving credit facility borrowings	$ 348,500,000		$ 348,500,000		$ 389,500,000
Maximum borrowing capacity of revolving credit facility						500,000,000
Line of credit facility maturity date						Oct. 28, 2016
Additional borrowing capacity under revolving credit facility						200,000,000
LIBOR applicable margin									0.875%			1.625%			1.00%
Interest rate in addition to Federal Funds rate														0.50%
Additional margin over LIBOR												0.625%
Prime interest rate							3.25%
LIBOR rate, minimum							0.18%
LIBOR rate, maximum							0.24%
Commitment fee percentage										0.15%			0.30%
Letters of credit, issued but undrawn							$ 10,900,000
Weighted average effective interest rate incurred on borrowings	1.70%	1.70%	1.70%	1.70%
Minimum fixed charge coverage ratio								1.5
Maximum leverage ratio											3.0
Maximum leverage ratio for payment of dividends and stock repurchases													2.75