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Fair Value Measurements (Tables)

12 Months Ended

Dec. 31, 2017

Fair Value Disclosures [Abstract]

Schedule of Financial Instruments Recorded at Fair Value

Financial Instruments Recorded at Fair Value (in millions)

	December 31, 2017																December 31, 2016
	Level 1				Level 2				Level 3				Total				Level 1				Level 2				Level 3				Total
Assets:
Cash and cash equivalents	$	208.8			$	—			$	—			$	208.8			$	260.7			$	—			$	—			$	260.7
Deferred compensation asset (a)	1.4				—				—				1.4				1.1								—				1.1
Liabilities:
Deferred compensation obligation (a)	1.4				—				—				1.4				1.1								—				1.1

(a)

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- References

No definition available.

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- Definition

The entire disclosure of the fair value measurement of assets and liabilities, which includes financial instruments measured at fair value that are classified in shareholders' equity, which may be measured on a recurring or nonrecurring basis.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-URI http://asc.fasb.org/topic&trid=2155941

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