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Property, Plant and Equipment (Narrative) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Property, Plant and Equipment [Line Items]
Depreciation and amortization expense	$ 75.1	$ 59.5	$ 67.9
Amortization expense related to computer software costs	9.3	5.1	6.2
Repairs and maintenance expense	13.0	15.4	15.9
Computer Software to be Sold, Leased or Marketed
Property, Plant and Equipment [Line Items]
Asset impairment charges	7.5	1.0
Machinery and equipment
Property, Plant and Equipment [Line Items]
Asset impairment charges	1.7
Computer software
Property, Plant and Equipment [Line Items]
Asset impairment charges	1.5
Furniture and office equipment
Property, Plant and Equipment [Line Items]
Asset impairment charges	0.1
Buildings and improvements
Property, Plant and Equipment [Line Items]
Asset impairment charges	0.1
Fixed Asset Abandonment
Property, Plant and Equipment [Line Items]
Asset impairment charges	$ 10.9	$ 3.1	$ 19.6

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- Definition

Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 45
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=68055307&loc=d3e2420-110228

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
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-URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3602-108585

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Amount of expense for amortization of capitalized computer software costs.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 985
-SubTopic 20
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6501960&loc=d3e128487-111756

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-Paragraph 1
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The aggregate costs of keeping the property in good condition but that do not appreciably prolong the life or increase the value of the property.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.2)
-URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688

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