Shareholders' Equity - Additional Information (Detail) (USD $)	12 Months Ended
	Dec. 28, 2014	Dec. 29, 2013	Dec. 30, 2012	Jun. 30, 2013	May 04, 2010
Stockholders Equity Note [Line Items]
Stock options outstanding excluded from calculation of diluted earnings per share	800,000	2,400,000	6,500,000
Shares approved to be repurchased under share repurchase program, amount				$ 300,000,000
Shares repurchased under share repurchase program, shares	2,700,000	4,900,000	10,300,000
Cost of common shares repurchased	75,815,000	116,639,000	153,948,000
Remaining authorized repurchase amount	148,900,000
Stock options awarded		22,558	109,699
Income tax benefit from exercise of award	12,875,000	12,706,000	10,111,000
Cash received from exercise of stock options	14,235,000	21,671,000	24,505,000
Intrinsic value of options exercised	15,000,000	16,700,000	21,300,000
Tax benefit realized from option exercises	3,000,000	2,800,000	3,900,000
Grant date fair value for options vested	6,000,000	8,600,000	11,600,000
Minimum
Stockholders Equity Note [Line Items]
Number of units ultimately paid for performance share awards of target (as a percent)	0
Maximum
Stockholders Equity Note [Line Items]
Number of units ultimately paid for performance share awards of target (as a percent)	2
Stock options and other
Stockholders Equity Note [Line Items]
Award vesting period	4 years
Stock options and other | Employee
Stockholders Equity Note [Line Items]
Shares reserved for issuance					60,000,000
Maximum number of awards that can be granted to any participant in any fiscal year	1,000,000
Options exercisable percentage per year	25.00%
Stock options and other | Employee | Options Issued from 1996 through November 2004
Stockholders Equity Note [Line Items]
Options exercise period	10 years
Stock options and other | Employee | Options Issued in December 2004 and Thereafter
Stockholders Equity Note [Line Items]
Options exercise period	8 years
Stock options and other | Employee | Minimum
Stockholders Equity Note [Line Items]
Options to purchase common stock, purchase price as percentage of fair market value	100.00%
Stock options and other | Director
Stockholders Equity Note [Line Items]
Stock options awarded		22,558	74,611
Stock options and other | Director | Retainer Fees
Stockholders Equity Note [Line Items]
Award vesting period	1 year
Performance Based Awards
Stockholders Equity Note [Line Items]
Award vesting period	3 years
Restricted Stock Units (RSUs) | Employee
Stockholders Equity Note [Line Items]
Number of shares of common stock received for each RSU granted	1
Award vesting percentage	25.00%
Maximum number of awards that can be granted to any participant in any fiscal year	500,000
Restricted Stock | Employee
Stockholders Equity Note [Line Items]
Maximum number of awards that can be granted to any participant in any fiscal year	500,000
Restricted Stock | Director
Stockholders Equity Note [Line Items]
Shares awarded	40,530	57,531	31,929
Restricted Stock | Director | Retainer Fees
Stockholders Equity Note [Line Items]
Award vesting period	1 year
Restricted Stock | Director | Long-Term Awards
Stockholders Equity Note [Line Items]
Award vesting period	3 years
Performance Shares
Stockholders Equity Note [Line Items]
Maximum number of awards that can be granted to any participant in any fiscal year	500,000
Shares awarded	436,340	813,783	1,109,873
Unrecognized compensation cost related to non-vested share-based compensation	8,100,000
Unrecognized compensation cost related to non-vested share-based compensation for options, recognition period	1 year 8 months 15 days
Performance Units and Cash-Based Awards
Stockholders Equity Note [Line Items]
Maximum number of awards that can be granted to any participant in any fiscal year	10,000,000
Restricted Stock and Restricted Stock Units
Stockholders Equity Note [Line Items]
Shares awarded	1,048,516	1,588,628	1,937,512
Unrecognized compensation cost related to non-vested share-based compensation	30,200,000
Unrecognized compensation cost related to non-vested share-based compensation for options, recognition period	2 years 4 months 11 days
Income tax benefit from exercise of award	$ 9,500,000	$ 7,000,000	$ 5,400,000