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Debt - Summary of Components of Long-Term Borrowings and Capital Lease Obligations (Details) - USD ($) $ in Millions	Jun. 30, 2017	Dec. 31, 2016
Borrowings [Line Items]
Long-term borrowings, including current portion	$ 289.2	$ 64.0
Less: Current capital lease obligations	0.3	0.5
Total long-term borrowings and capital lease obligations	288.9	63.5
Capital Lease Obligations
Borrowings [Line Items]
Long-term borrowings, including current portion	0.6	0.8
2016 Credit Agreement [Member] | Revolving Credit Facility [Member]
Borrowings [Line Items]
Long-term debt	$ 288.6	$ 63.2

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Borrowings [Line Items]

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Amount of capital lease obligation due within one year or the normal operating cycle, if longer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=6455398&loc=d3e45280-112737

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(19))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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-Section 45
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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(16))
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

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-Name Accounting Standards Codification
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-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

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Amount of long-term debt and capital lease obligation due after one year or beyond the normal operating cycle, if longer.

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Amount of long-term debt and capital lease obligations including current maturities.

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