Condensed Consolidated Statements of Comprehensive Income (Loss) (Parentheticals) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016
Statement of Comprehensive Income [Abstract]
Unrealized hedging gains (losses) and other, tax	$ 0.0	$ 1.5	$ (1.7)
Reclassification of deferred hedging gains (losses) and other, included in net income, tax	0.9	(0.4)	2.1
Total derivative instruments, tax	0.9	1.1	0.4
Unrealized actuarial gains (losses) and prior service (costs) credits, tax	0.0	0.0	4.8
Reclassification of net actuarial and other (gain) loss and amortization of prior service costs, included in net income, tax	3.7	5.5	7.3
Total pension and other postretirement benefits, tax	$ 3.7	$ 5.5	$ 12.1