Restructuring and Relocation Activities - Restructuring Activities (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Restructuring Cost And Reserve [Line Items]
Other associated costs	$ 31.7	$ 25.5	$ 34.3
Restructuring charges	65.7	73.8	142.5
Total	97.4	99.3	176.8
IOP [Member]
Restructuring Cost And Reserve [Line Items]
Other associated costs	7.7	14.1	22.2
Restructuring charges	13.2	(7.0)	144.9
Total	20.9	7.1	167.1
EQIP [Member]
Restructuring Cost And Reserve [Line Items]
Other associated costs	21.6	11.4
Restructuring charges	47.0	80.8
Total	68.6	92.2
FUSION [Member]
Restructuring Cost And Reserve [Line Items]
Other associated costs	2.4
Restructuring charges	5.5
Total	7.9
Other [Member]
Restructuring Cost And Reserve [Line Items]
Other associated costs			12.1
Restructuring charges			(2.4)
Total			$ 9.7