Changes in Equity and Comprehensive Income Changes in Equity and Comprehensive Income (Details of Accumulated Other Comprehensive Income Components) (Details) (USD $)	3 Months Ended		12 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Dec. 31, 2014
Other Comprehensive (Income) Loss, Pension and Other Postretirement Benefit Plans, Tax		$ 113,500,000	$ 114,400,000
Cost of sales	442,000,000	462,700,000
Selling, general and administrative	(148,600,000)	(157,900,000)
Operating Income (Loss)	(86,000,000)	(81,400,000)
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Noncontrolling Interest	(76,300,000)	(71,800,000)
Income Tax Expense (Benefit)	(24,900,000)	(22,900,000)
Net Income (Loss) Attributable to Parent	(51,100,000)	(48,700,000)
Reclassification out of Accumulated Other Comprehensive Income [Member]
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Noncontrolling Interest	2,900,000	(1,200,000)
Income Tax Expense (Benefit)	1,000,000	(400,000)
Net Income (Loss) Attributable to Parent	2,000,000	(800,000)
Reclassification out of Accumulated Other Comprehensive Income [Member] | Accumulated Defined Benefit Plans Adjustment, Pension, Net Prior Service Cost (Credit) [Member]
Cost of sales	40,000
Selling, general and administrative	11,000
Operating Income (Loss)	30,000	(30,000)
Reclassification out of Accumulated Other Comprehensive Income [Member] | Accumulated Defined Benefit Plans Adjustment, Pension, Net Unamortized Gain (Loss) [Member]
Cost of sales	4,200,000
Selling, general and administrative	1,100,000
Operating Income (Loss)	3,100,000	(1,300,000)
Reclassification out of Accumulated Other Comprehensive Income [Member] | Accumulated Defined Benefit Plans Adjustment, Other Postretirement, Net Prior Service Cost (Credit) [Member]
Selling, general and administrative	(100,000)	100,000
Reclassification out of Accumulated Other Comprehensive Income [Member] | Accumulated Defined Benefit Plans Adjustment, Other Postretirement, Net Unamortized Gain (Loss) [Member]
Selling, general and administrative	$ (100,000)	$ 0