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Property, Plant and Equipment (Tables)

12 Months Ended

Dec. 31, 2017

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment

Property, plant and equipment (and related depreciable lives) consisted of the following ($ in millions):

	December 31,
	2017				2016
Land and improvements	$	15.3			$	11.2
Buildings and improvements (20 to 40 years or remaining life of relevant lease)	145.1				118.5
Machinery and equipment (5 to 20 years)	621.9				526.1
Construction in progress	28.1				28.3
Gross property, plant and equipment	810.4				684.1
Less: Accumulated depreciation	448.5				376.7
Property, plant and equipment, net	$	361.9			$	307.4

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- References

No definition available.

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- Definition

Tabular disclosure of physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, balances by class of assets, depreciation and depletion expense and method used, including composite depreciation, and accumulated deprecation.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(13))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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