Postretirement Benefit Plans (Details) - Company-Wide Defined Contribution Retirement - 401 (K) Plan [Member] - USD ($) $ in Millions	12 Months Ended
Jan. 02, 2016	Jan. 03, 2015	Dec. 28, 2013
Defined Contribution Plan Disclosure [Line Items]
Percentage of employer matching contributions on participant contributions	100.00%
Base percentage of qualified wages for employer matching contributions	4.00%
Percentage of employer matching contributions on participant contributions, secondary qualified percentage	50.00%
Base percentage of qualified wages for employer matching contributions, secondary qualified percentage	1.00%
Expenses for employee retirement plans	$ 11.3	$ 11.0	$ 10.0

Base Percentage Of Qualified Wages For Employer Matching Contributions

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- Definition

Base percentage of qualified wages for employer matching contributions, secondary qualified percentage

+ References

No definition available.

+ Details

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- Definition

Percentage Of Employer Matching Contributions On Participant Contributions

+ References

No definition available.

+ Details

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- Definition

Percentage of employer matching contributions on participant contributions, secondary qualified percentage

+ References

No definition available.

+ Details

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- Definition

The amount of the cost recognized during the period for defined contribution plans.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 70
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=49170846&loc=d3e28014-114942

+ Details

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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