Stockholder's Equity Stockholder's Equity (Exercise Price Range, Non-Employee) (Details) (Non-employee stock option, USD $)	12 Months Ended
Dec. 28, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock Options Outstanding, Shares	351,169
Stock Options Outstanding, Weighted Average Exercise Price (USD per share)	$ 51.76
Stock Options Outstanding, Remaining Life	5 years 5 months 6 days
Stock Options Exercisable, Shares	310,159
Stock Options Exercisable, Weighted Average Exercise Price (USD per share)	$ 46.88
$17.99-$20.00
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Minimum range of Exercise Prices	$ 17.99
Maximum range of Exercise Prices	$ 20
Stock Options Outstanding, Shares	5,248
Stock Options Outstanding, Weighted Average Exercise Price (USD per share)	$ 19.46
Stock Options Outstanding, Remaining Life	5 years 6 months 6 days
Stock Options Exercisable, Shares	5,248
Stock Options Exercisable, Weighted Average Exercise Price (USD per share)	$ 19.46
$20.01-$30.00
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Minimum range of Exercise Prices	$ 20.01
Maximum range of Exercise Prices	$ 30
Stock Options Outstanding, Shares	47,712
Stock Options Outstanding, Weighted Average Exercise Price (USD per share)	$ 26.71
Stock Options Outstanding, Remaining Life	2 years 8 months 6 days
Stock Options Exercisable, Shares	47,712
Stock Options Exercisable, Weighted Average Exercise Price (USD per share)	$ 26.71
$30.01-$40.00
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Minimum range of Exercise Prices	$ 30.01
Maximum range of Exercise Prices	$ 40
Stock Options Outstanding, Shares	67,813
Stock Options Outstanding, Weighted Average Exercise Price (USD per share)	$ 34.47
Stock Options Outstanding, Remaining Life	3 years 6 months 6 days
Stock Options Exercisable, Shares	67,813
Stock Options Exercisable, Weighted Average Exercise Price (USD per share)	$ 34.47
$40.01-$50.00
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Minimum range of Exercise Prices	$ 40.01
Maximum range of Exercise Prices	$ 50
Stock Options Outstanding, Shares	84,589
Stock Options Outstanding, Weighted Average Exercise Price (USD per share)	$ 46.08
Stock Options Outstanding, Remaining Life	5 years 0 months 6 days
Stock Options Exercisable, Shares	84,589
Stock Options Exercisable, Weighted Average Exercise Price (USD per share)	$ 46.08
$50.01-$60.00
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Minimum range of Exercise Prices	$ 50.01
Maximum range of Exercise Prices	$ 53.76
Stock Options Outstanding, Shares	30,797
Stock Options Outstanding, Weighted Average Exercise Price (USD per share)	$ 53.65
Stock Options Outstanding, Remaining Life	3 years 9 months 6 days
Stock Options Exercisable, Shares	30,797
Stock Options Exercisable, Weighted Average Exercise Price (USD per share)	$ 53.65
$60.01-$70.00
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Minimum range of Exercise Prices	$ 60.01
Maximum range of Exercise Prices	$ 70.00
Stock Options Outstanding, Shares	41,010
Stock Options Outstanding, Weighted Average Exercise Price (USD per share)	$ 64.23
Stock Options Outstanding, Remaining Life	7 years 8 months 6 days
Stock Options Exercisable, Shares	34,000
Stock Options Exercisable, Weighted Average Exercise Price (USD per share)	$ 64.56
$70.01-$80.00
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Minimum range of Exercise Prices	$ 70.01
Maximum range of Exercise Prices	$ 80.00
Stock Options Outstanding, Shares	36,000
Stock Options Outstanding, Weighted Average Exercise Price (USD per share)	$ 75.13
Stock Options Outstanding, Remaining Life	8 years 3 months 6 days
Stock Options Exercisable, Shares	36,000
Stock Options Exercisable, Weighted Average Exercise Price (USD per share)	$ 75.13
$80.01-$94.24
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Minimum range of Exercise Prices	$ 80.01
Maximum range of Exercise Prices	$ 94.24
Stock Options Outstanding, Shares	38,000
Stock Options Outstanding, Weighted Average Exercise Price (USD per share)	$ 94.08
Stock Options Outstanding, Remaining Life	9 years 3 months 6 days
Stock Options Exercisable, Shares	4,000
Stock Options Exercisable, Weighted Average Exercise Price (USD per share)	$ 94.24

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Weighted average exercise price as of the balance sheet date for those equity-based payment arrangements exercisable and outstanding.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)(1)(iii)

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- Definition

The floor of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

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- Definition

The number of shares reserved for issuance pertaining to the outstanding exercisable stock options as of the balance sheet date in the customized range of exercise prices for which the market and performance vesting condition has been satisfied.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)(iii)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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- Definition

The number of shares reserved for issuance pertaining to the outstanding stock options as of the balance sheet date for all option plans in the customized range of exercise prices.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)(1)(i)-(ii)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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- Definition

The weighted average price as of the balance sheet date at which grantees could acquire the underlying shares with respect to all outstanding stock options which are in the customized range of exercise prices.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)(1)(i)-(ii)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (e)(1)

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The ceiling of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (g)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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