Share-based Compensation (Detail 3) (Stock Options, USD $)	12 Months Ended
Dec. 30, 2014	Dec. 31, 2013	Dec. 25, 2012
Stock Options
Shares
Outstanding at the beginning of the period (in shares)	1,043,438
Granted (in shares)	0	0	0
Forfeited (in shares)	(3,362)
Exercised (in shares)	(403,146)
Outstanding at the end of the period (in shares)	636,930	1,043,438
Exercisable at the end of period (in shares)	636,930
Weighted-Average Exercise Price
Outstanding at the beginning of the period (in dollars per share)	$ 13.77
Forfeited (in dollars per share)	$ 15.05
Exercised (in dollars per share)	$ 13.09
Outstanding at the end of the period (in dollars per share)	$ 14.20	$ 13.77
Exercisable at the end of the period (in dollars per share)	$ 14.20
Weighted-Average Remaining Contractual Term
Outstanding at the end of the period	1 year 8 months 27 days
Exercisable at the end of the period	1 year 8 months 27 days
Aggregate Intrinsic Value
Outstanding at the end of the period (in dollars)	$ 12,474,000
Exercisable at the end of the period (in dollars)	12,474,000
Intrinsic value of options exercised (in dollars)	6,100,000	11,200,000	8,700,000
Awards vested (in shares)	0	0
Total grant date fair value of options vested (in dollars)			200,000
Cash received before tax withholdings from options exercised	5,300,000	15,100,000	10,700,000
Excess tax benefit realized from tax deductions associated with options exercised	$ 2,900,000	$ 4,900,000	$ 3,600,000

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Aggregate proceeds received by the entity during the annual period from exercises of stock or unit options and conversion of similar instruments granted under equity-based payment arrangements.

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Disclosure of the aggregate tax benefit realized from the exercise of stock options and the conversion of similar instruments during the annual period.

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Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of vested portions of options outstanding and currently exercisable.

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The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

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The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.

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Weighted average remaining contractual term for vested portions of options outstanding and currently exercisable or convertible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares.

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The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan.

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Gross number of share options (or share units) granted during the period.

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Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding.

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Number of options outstanding, including both vested and non-vested options.

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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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As of the balance sheet date, the number of shares into which fully vested and expected to vest stock options outstanding can be converted under the option plan.

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Fair value of options vested. Excludes equity instruments other than options, for example, but not limited to, share units, stock appreciation rights, restricted stock.

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Weighted average price at which option holders acquired shares when converting their stock options into shares.

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Weighted average price at which grantees could have acquired the underlying shares with respect to stock options that were terminated.

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Number of share options (or share units) exercised during the current period.

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