Additional Cash Flow Information - Additional Information (Detail) (USD $)	6 Months Ended
	Jun. 28, 2014	Jun. 29, 2013
Supplemental Cash Flow Information [Abstract]
Income taxes paid	$ 56,425,000	$ 28,801,000
Interest paid	1,530,000	1,518,000
Acquired operating property by capital leases	$ 11,410,000	$ 36,704,000