Accounts Receivable (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Accounts Receivable, Net, Current [Abstract]
Trade	$ 516.3	$ 595.2
Other	24.2	35.2
Total accounts receivable	540.5	630.4
Less-Allowance for doubtful accounts	(10.0)	(8.2)	(9.2)
Accounts receivable, net	530.5	622.2
Allowance for doubtful accounts [RollForward]
Beginning of year	8.2	9.2	8.9
Write offs less recoveries	(2.6)	(3.9)	(1.0)
Foreign Currency Exchange Rate Translation	(2.6)	(1.3)	(1.4)
End of year	10.0	8.2	9.2
Continuing Operations [Member]
Allowance for doubtful accounts [RollForward]
Provision for uncollectible accounts receivable	7.5	4.1	1.7
Allowance For Doubtful Accounts Discontinued Operations [Member]
Allowance for doubtful accounts [RollForward]
Provision for uncollectible accounts receivable	$ (0.5)	$ 0.1	$ 1.0