Accumulated Other Comprehensive Income (Components Of Accumulated Other Comprehensive Income (Loss)) (Details) - USD ($) $ in Millions		3 Months Ended		6 Months Ended
		Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015		Jun. 30, 2014
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance	[1]			$ (495.5)		$ (371.6)
Other comprehensive income (loss) before reclassifications, net of tax (expense) benefit	[1]			(9.3)
Amounts reclassified from accumulated other comprehensive (loss) income	[1]			21.4		10.7
Net current period other comprehensive (loss) income		$ 16.0	$ 4.6	12.1	[1]	10.7	[1]
Ending Balance	[1]	(483.4)	(360.9)	(483.4)		(360.9)
Other comprehensive income before reclassifications, tax (expense) benefit				(0.2)		1.2
Foreign Currency Translation Adjustments [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance	[1]			(8.3)		21.3
Other comprehensive income (loss) before reclassifications, net of tax (expense) benefit	[1]			(7.9)		4.1
Net current period other comprehensive (loss) income	[1]			(7.9)		4.1
Ending Balance	[1]	(16.2)	25.4	(16.2)		25.4
Derivative Adjustments [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance	[1]			(4.0)		(0.7)
Other comprehensive income (loss) before reclassifications, net of tax (expense) benefit	[1]			(0.1)		(3.4)
Amounts reclassified from accumulated other comprehensive (loss) income	[1]			(1.0)		(2.8)
Net current period other comprehensive (loss) income	[1]			(1.1)		(6.2)
Ending Balance	[1]	(5.1)	(6.9)	(5.1)		(6.9)
Other comprehensive income before reclassifications, tax (expense) benefit				0.4		1.4
Pension And Postretirement Adjustments [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance	[1]			(483.2)		(392.2)
Other comprehensive income (loss) before reclassifications, net of tax (expense) benefit	[1]			(1.3)		(0.7)
Amounts reclassified from accumulated other comprehensive (loss) income	[1]			22.4		13.5
Net current period other comprehensive (loss) income	[1]			21.1		12.8
Ending Balance	[1]	$ (462.1)	$ (379.4)	(462.1)		(379.4)
Other comprehensive income before reclassifications, tax (expense) benefit				$ (0.6)		$ (0.2)

[1] Amounts are net of tax