Subsequent Events (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended		12 Months Ended	0 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013	Dec. 31, 2013 CAM division	Jul. 18, 2014 CAM division Subsequent event	Jul. 18, 2014 CAM division Subsequent event Minimum item	Jul. 18, 2014 CAM division Subsequent event Maximum item
Subsequent events
Revenue	$ 457.4	$ 454.9	$ 881.1	$ 848.3	$ 100.0
Period in which acceptable financial performance estimated to be unachievable						2 years
Number of employees expected to reduce							200	250
Restructuring and other one-time charges							35	40
Restructuring and other one-time charges expected to result in future cash charges for employee separation and facility exit costs							10	13
Restructuring and other one-time charges estimated for inventory write down and assets impairments							$ 25	$ 27