Share-Based Compensation (Details) (Nonvested stock awards, 1998 Stock Incentive Plan ("SI Plan"), USD $) In Millions, except Share data, unless otherwise specified	0 Months Ended	3 Months Ended
Apr. 02, 2015	Mar. 31, 2015
Nonvested stock awards \| 1998 Stock Incentive Plan ("SI Plan")
Nonvested Stock Shares
Number of restricted stocks granted (in shares)	1,028,523	21,293
Vesting period	4 years	4 years
Fair value of shares granted (in dollars)	$ 51.6	$ 1.1
Nonvested Stock Shares, Weighted Average Grant Date Fair Value
Granted (in dollars per share)	$ 50.18	$ 49.59

Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (a)(1)

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

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- Definition

The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

+ 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)(2)(iii)(1)

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

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- Definition

The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

+ 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)(2)(iii)(1)

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

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- Definition

Represents the fair value of equity-based payment equity instruments, excluding stock or unit options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

+ References

No definition available.

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