Restructuring and Relocation Activities - Restructuring Activities (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Restructuring Cost And Reserve [Line Items]
Other associated costs	$ 6.9	$ 8.4	$ 19.5	$ 18.8
Restructuring charges	11.1	48.2	31.3	59.9
Total	18.0	56.6	50.8	78.7
IOP [Member]
Restructuring Cost And Reserve [Line Items]
Other associated costs	2.6	3.6	4.6	12.1
Restructuring charges	7.3	0.2	12.8	(4.8)
Total	9.9	3.8	17.4	7.3
EQIP [Member]
Restructuring Cost And Reserve [Line Items]
Other associated costs	4.3	4.8	14.9	6.7
Restructuring charges	3.8	48.0	18.5	64.7
Total	$ 8.1	$ 52.8	$ 33.4	$ 71.4