Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Article 12
-Section 13
-Sentence Column B

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- References

No definition available.

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- Definition

The number of derivative instruments of a particular group held by the entity.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1A
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5579245-113959

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1B
-URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5580258-113959

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- Definition

Fair value of all derivative assets designated as fair value hedging instruments.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4B
-Subparagraph (c)(1)
-URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5624163-113959

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- Definition

Fair value of all derivative liabilities designated as fair value hedging instruments.

+ References

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- Definition

Amount of income (expense) related to nonoperating activities, classified as other.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.9)
-URI http://asc.fasb.org/extlink&oid=115205541&loc=SL114868664-224227

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Derivative Financial Instruments and Hedging Activities (Details) $ in Millions	12 Months Ended
	Dec. 31, 2018 USD ($) Contract	Dec. 31, 2017 USD ($) Contract	Dec. 31, 2016 USD ($)	Jul. 01, 2018 USD ($)	Jul. 03, 2016 USD ($)
Derivative, Fair Value [Abstract]
(Gains) losses in other non-operating income (deductions)	$ 1.5	$ 6.2	$ (0.8)
Foreign Exchange Forward [Member]
Derivative, Fair Value [Abstract]
Number of contracts \| Contract	0	0
(Gains) losses in other non-operating income (deductions)	$ (0.7)	$ (1.2)
Cash Flow Hedges [Member] \| Interest Rate Swaps [Member]
Derivative, Fair Value [Abstract]
Notional amount				$ 150.0
Cash Flow Hedges [Member] \| Interest Rate Swaps [Member] \| Other Non-current Liabilities [Member]
Derivative, Fair Value [Abstract]
Fair value of derivative liability	2.4
Cash Flow Hedges [Member] \| Interest Rate Swaps [Member] \| Other Assets and Deferred Charges [Member]
Derivative, Fair Value [Abstract]
Fair value of derivative assets	2.7
Cash Flow Hedges [Member] \| Cross Currency Rate Swap [Member]
Derivative, Fair Value [Abstract]
Notional amount				$ 150.0
Cash Flow Hedges [Member] \| Cross Currency Rate Swap [Member] \| Other Assets and Deferred Charges [Member]
Derivative, Fair Value [Abstract]
Fair value of derivative assets	3.7
Cash Flow Hedges [Member] \| Designated [Member] \| Interest Rate Swaps [Member]
Derivative, Fair Value [Abstract]
Notional amount	$ 143.0				$ 300.0