Commitments and Contingencies - Additional Information (Detail) (USD $)	12 Months Ended
	Dec. 29, 2012	Dec. 31, 2011	Dec. 25, 2010	Dec. 31, 2007 Damage Award	Dec. 29, 2012 Damage Award	Sep. 23, 2011 Damage Award	Dec. 29, 2007 Damage Award	Dec. 29, 2012 Guarantee Payment Of Insurance Claims	Dec. 29, 2012 Credit Agreement
Commitments and Contingencies Disclosure [Line Items]
Letters of credit outstanding								$ 45,146,000	$ 32,754,000
Retained liability of self-insurance program							5,000,000
Operating Insurance and Claims Costs, Production	37,451,000	42,766,000	49,334,000	5,000,000
Self insurance reserve, current	64,509,000	76,624,000				40,200,000
Other receivables	$ 55,278,000	$ 53,263,000			$ 38,700,000