Share-based Compensation Plans (Detail) - Non-vested equity awards, including options, restricted stock/performance units including LTIP (USD $)	12 Months Ended
	Dec. 29, 2012
Service Based Grants [Member]
Non-vested	129,400
Non-vested (in Dollars per share)	$ 36.27
Granted	16,100
Vested/restrictions lapsed	(108,700)
Non-vested	36,800
Non-vested (in Dollars per share)	$ 35.93
Performance Based Grants [Member]
Non-vested	248,300
Non-vested (in Dollars per share)	$ 37.72
Granted	232,300
Forfeited/cancelled	(142,000)
Non-vested	338,600
Non-vested (in Dollars per share)	$ 32.10