Principles of Consolidation (Reclassification Out of Accumulated Other Comprehensive Loss) (Details) (Accumulated Other Comprehensive Income (Loss) [Member], USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Accumulated Other Comprehensive Income (Loss) [Member]
Reclassifications out of Accumulated Comprehensive loss [Line Items]
Reclassification of net pension actuarial losses to net loss, net of tax	$ 1.9	$ 3.7	$ 5.8	$ 11.1