Share-Based Compensation - Summary of SAR Activity (Detail) (Stock Appreciation Rights (SARs) [Member], USD $)	6 Months Ended
Jun. 29, 2013
Stock Appreciation Rights (SARs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares, Outstanding at beginning of year	1,535,804
Shares, Granted	321,222
Shares, Exercised	(276,879)
Shares, Forfeited	(52,532)
Shares, Expired	(2,580)
Shares, Outstanding at end of period	1,525,035
Shares, Exercisable at end of period	610,231
Weighted-Average Exercise Price, Outstanding at beginning of year	$ 31.66
Weighted-Average Exercise Price, Granted	$ 46.05
Weighted-Average Exercise Price, Exercised	$ 25.51
Weighted-Average Exercise Price, Forfeited	$ 35.79
Weighted-Average Exercise Price, Expired	$ 33.84
Weighted-Average Exercise Price, Outstanding at end of period	$ 35.66
Weighted-Average Exercise Price, Exercisable at end of period	$ 29.70
Intrinsic value of exercised options and SARs	$ 5,585,000

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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.

+ References

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-Publisher FASB

-Name Accounting Standards Codification

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-SubTopic 10

-Section 50

-Paragraph 2

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- Definition

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.

+ References

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- Definition

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.

+ References

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-Publisher FASB

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- Definition

Number of options or other stock instruments for which the right to exercise has lapsed under the terms of the plan agreements.

+ References

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-Publisher FASB

-Name Accounting Standards Codification

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- Definition

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.

+ References

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- Definition

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

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- Definition

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

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- Definition

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

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- Definition

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

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No definition available.

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- Definition

Weighted average price at which grantees could have acquired the underlying shares with respect to stock options of the plan that expired.

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No definition available.

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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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No definition available.

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- Definition

Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.

+ References

No definition available.

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- Definition

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

+ References

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

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