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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 420
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-Section 50
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-URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869

Reference 2: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
-Topic 420
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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 420
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-Section S99
-Paragraph 2
-Subparagraph (SAB Topic 5.P.4(b)(2))
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Restructuring and Relocation Activities - Additional Information (Details) - USD ($) $ in Millions	Sep. 30, 2017	Dec. 31, 2016	Mar. 31, 2016
Restructuring Cost and Reserve [Line Items]
Accrued restructuring costs	$ 16.1	$ 44.8
Program
Restructuring Cost and Reserve [Line Items]
Total estimated net cash cost			$ 120.0
Accrued restructuring costs	16.2
Restructuring accrual	$ 1.5