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Recently Adopted Accounting Standards (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
	Jul. 01, 2017	Jul. 01, 2017
Accounting Changes and Error Corrections [Abstract]
Excess tax benefit due to adoption of ASU 2016-09, amount	$ 0.4	$ 1.0

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- Definition

Effective Income Tax Rate Reconciliation, Share-based Compensation, Excess Tax Benefit, Amount

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