Leases (Supplemental Balance Sheet Inofrmation) (Details) - USD ($) $ in Millions	Sep. 27, 2019	Jan. 01, 2019	Dec. 31, 2018
Assets:
Operating lease ROU assets	$ 201.8	$ 182.0
Current:
Operating lease liabilities	27.1		$ 0.0
Long-term:
Operating lease liabilities	186.7		$ 0.0
Total operating lease liabilities	$ 213.8	$ 191.0
Weighted average remaining lease term	11 years
Weighted average discount rate	3.10%

Operating Lease Liabilities, Current [Abstract]

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- Definition

Operating Lease Liabilities, Noncurrent [Abstract]

+ References

No definition available.

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- Definition

Operating Lease Right Of Use Asset [Abstract]

+ References

No definition available.

+ Details

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- Definition

Present value of lessee's discounted obligation for lease payments from operating lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 45
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=77888419&loc=SL77918627-209977

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- Definition

Present value of lessee's discounted obligation for lease payments from operating lease, classified as current.

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Present value of lessee's discounted obligation for lease payments from operating lease, classified as noncurrent.

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- Definition

Amount of lessee's right to use underlying asset under operating lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 45
-Paragraph 1
-Subparagraph (a)
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- Definition

Weighted average discount rate for operating lease calculated at point in time.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 20
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Weighted average remaining lease term for operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

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