Business Segments (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2014 Segment	Mar. 31, 2013
Business Segments [Abstract]
Number of business segments	3
Segment Reporting Information [Line Items]
Total revenues	$ 2,431.5	$ 2,060.9
Income (loss) from continuing operations before income taxes:	170.2	180.5
DPS [Member]
Segment Reporting Information [Line Items]
Total revenues	1,705.1	1,269.0
Income (loss) from continuing operations before income taxes:	183.0	154.4
V&M [Member]
Segment Reporting Information [Line Items]
Total revenues	492.3	521.5
Income (loss) from continuing operations before income taxes:	94.1	113.4
PCS [Member]
Segment Reporting Information [Line Items]
Total revenues	234.1	270.4
Income (loss) from continuing operations before income taxes:	15.5	19.6
Corporate and Other [Member]
Segment Reporting Information [Line Items]
Income (loss) from continuing operations before income taxes:	$ (122.4)	$ (106.9)