Stockholders' Equity and Benefit Plans (Schedule of Stock Options and Stock Appreciation Rights Activity) (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	6 Months Ended
Jul. 02, 2011	Apr. 02, 2011
Stockholders' Equity and Benefit Plans
Outstanding, number of shares	1,243	1,468
Outstanding, weighted average exercise price	$ 37.39	$ 35.41
Outstanding, weighted-average contractual term (years)	6.4	6.4
Outstanding, aggregate intrinsic value	$ 105,130	$ 85,452
Granted, number of shares	6
Granted, weighted-average exercise price	$ 93.29
Exercised, number of shares	(230)
Exercised, weighted- average exercise price	$ 26.24
Exercised, aggregate intrinsic value	18,490
Forfeited or expired, number of shares	(1)
Forfeited or expired, weighted- average exercise price	$ 8.84
Exercisable at July 2, 2011, number of shares	498
Exercisable at July 2, 2011, weighted- average exercise price	$ 24.17
Exercisable at July 2, 2011, weighted-average remaining contractual term (years)	4.5
Exercisable at July 2, 2011, aggregate intrinsic value	48,735
Nonvested at July 2, 2011, number of shares	745
Nonvested at July 2, 2011, weighted-average exercise price	$ 46.24
Nonvested at July 2, 2011, weighted-average remaining contractual term (years)	7.6
Nonvested at July 2, 2011, aggregate intrinsic value	56,396
Expected to vest, number of shares	690
Expected to vest, weighted-average exercise price	$ 46.24
Expected to vest, weighted-average remaining contractual term (years)	7.6
Expected to vest, aggregate intrinsic value	$ 52,321

As of the balance sheet date, the total dollar difference between fair values of the underlying shares reserved for issuance and exercise prices of expected to vest options outstanding.

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

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The weighted-average period between the balance sheet date and expiration date for expected to vest options outstanding, which may be expressed in a decimal value for number of years.

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Stockholders' Equity and Benefit Plans [Abstract]

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The total dollar difference between fair values of the underlying shares reserved for issuance and exercise prices of vested portions of options outstanding and currently exercisable under the option plan as of the balance sheet date.

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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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The weighted average period between the balance sheet date and expiration for all vested portions of options outstanding and currently exercisable (or convertible) under the plan, which may be expressed in a decimal value for number of years.

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The total accumulated difference between fair values of underlying shares on dates of exercise and exercise price on options which were exercised (or share units converted) into shares during the reporting period under the plan.

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The weighted average price at which option holders acquired shares when converting their stock options into shares under the plan during the reporting period.

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For presentations that combine terminations, 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 or that expired.

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The combined weighted average exercise price associated with stock options during the period that have either lapsed or been forfeited.

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

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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 stock options awarded under the plan during the reporting period.

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The total dollar difference between fair values of the underlying shares reserved for issuance and exercise prices pertaining to options outstanding under the plan as of the balance sheet date.

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The number of shares reserved for issuance under stock option agreements awarded under the plan that validly exist and are outstanding as of the balance sheet date, including vested options.

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The weighted average price as of the beginning of the year at which grantees can acquire the shares reserved for issuance under the stock option plan.

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The weighted average period between the balance sheet date and expiration for all awards outstanding under the plan, which may be expressed in a decimal value for number of years.

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As of the balance sheet date, the weighted-average exercise price for outstanding stock options that are fully vested or expected to vest.

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

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