Shareholders' Equity New Accounting Pronouncement (Details) $ in Millions	9 Months Ended
Sep. 28, 2018 USD ($)
Reclassification from accumulated other comprehensive income [Abstract]
New Accounting Pronouncement or Change in Accounting Principle, Reclassified from Accumulated Other Comprehensive Income, ASU 2018-02	$ (15.5)

Represents the quantification of the effect of adopting the new accounting standard or change in accounting principle expected by the entity to have a significant effect on the entity's financial statements.

No definition available.

Name:	us-gaap_NewAccountingPronouncementOrChangeInAccountingPrincipleEffectOfAdoptionQuantification
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration