Stock-Based Compensation (Options Outstanding And Exercisable For The Combined Option Plans) (Details) (USD $)	12 Months Ended
Dec. 27, 2014
$0.05-$6.08 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Rage of Exercise Prices, Lower Range Limit	$ 0.05
Range of Exercise Price, Upper Range Limit	$ 6.08
Options Outstanding	3,758,742
Weighted Average Remaining Contractual Life (years)	5 years 2 months 23 days
Weighted Average Exercise Price per Share, Options Outstanding	$ 5.15
Options Exercisable	3,257,572
Weighted Average Exercise Price per Share, Options Exercisable	$ 5.09
$6.09-$7.22 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Rage of Exercise Prices, Lower Range Limit	$ 6.09
Range of Exercise Price, Upper Range Limit	$ 7.22
Options Outstanding	5,235,527
Weighted Average Remaining Contractual Life (years)	6 years 1 month 28 days
Weighted Average Exercise Price per Share, Options Outstanding	$ 6.85
Options Exercisable	3,856,794
Weighted Average Exercise Price per Share, Options Exercisable	$ 6.87
$7.24-$8.06 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Rage of Exercise Prices, Lower Range Limit	$ 7.24
Range of Exercise Price, Upper Range Limit	$ 8.06
Options Outstanding	4,138,072
Weighted Average Remaining Contractual Life (years)	2 years 11 months 27 days
Weighted Average Exercise Price per Share, Options Outstanding	$ 7.87
Options Exercisable	4,109,945
Weighted Average Exercise Price per Share, Options Exercisable	$ 7.87
$8.15-$10.97 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Rage of Exercise Prices, Lower Range Limit	$ 8.15
Range of Exercise Price, Upper Range Limit	$ 10.97
Options Outstanding	5,133,779
Weighted Average Remaining Contractual Life (years)	3 years 2 months 19 days
Weighted Average Exercise Price per Share, Options Outstanding	$ 9.66
Options Exercisable	5,030,978
Weighted Average Exercise Price per Share, Options Exercisable	$ 9.69
$11.32-$12.43 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Rage of Exercise Prices, Lower Range Limit	$ 11.32
Range of Exercise Price, Upper Range Limit	$ 12.43
Options Outstanding	50,600
Weighted Average Remaining Contractual Life (years)	1 year 29 days
Weighted Average Exercise Price per Share, Options Outstanding	$ 11.79
Options Exercisable	50,600
Weighted Average Exercise Price per Share, Options Exercisable	$ 11.79
$0.05-$12.43 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Rage of Exercise Prices, Lower Range Limit	$ 0.05
Range of Exercise Price, Upper Range Limit	$ 12.43
Options Outstanding	18,316,720
Weighted Average Remaining Contractual Life (years)	4 years 4 months 28 days
Weighted Average Exercise Price per Share, Options Outstanding	$ 7.53
Options Exercisable	16,305,889
Weighted Average Exercise Price per Share, Options Exercisable	$ 7.65

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

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)

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

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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

-Subparagraph (g)

-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 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)

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

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- Definition

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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