Fair Value Measurements (Tables)

6 Months Ended

Jun. 30, 2017

Fair Value Disclosures [Abstract]

Assets and liabilities measured at fair value

			Basis of fair value measurements
(in millions)	Balance at June 30, 2017		Quoted prices in active markets for identical items (Level 1)		Significant other observable inputs (Level 2)		Significant unobservable inputs (Level 3)		Valuation technique
Assets:
Commodity contracts	$	0.1	$	—	$	0.1	$	—	A
Foreign currency contracts	$	4.6	$	—	$	4.6	$	—	A
Other long-term receivables (insurance settlement agreement note receivable)	$	72.7	$	—	$	72.7	$	—	C
Liabilities:
Foreign currency contracts	$	8.6	$	—	$	8.6	$	—	A

			Basis of fair value measurements
(in millions)	Balance at December 31, 2016		Quoted prices in active markets for identical items (Level 1)		Significant other observable inputs (Level 2)		Significant unobservable inputs (Level 3)		Valuation technique
Assets:
Commodity contracts	$	0.1	$	—	$	0.1	$	—	A
Foreign currency contracts	$	7.2	$	—	$	7.2	$	—	A
Other long-term receivables (insurance settlement agreement note receivable)	$	71.5	$	—	$	71.5	$	—	C
Liabilities:
Foreign currency contracts	$	1.1	$	—	$	1.1	$	—	A