Restructuring Activities - Restructuring Activities (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Restructuring Cost And Reserve [Line Items]
Other associated costs	$ 8.5	$ 5.0	$ 12.6	$ 10.3
Restructuring charges	14.1	11.9	20.2	11.7
Total	22.6	16.9	32.8	22.0
IOP [Member]
Restructuring Cost And Reserve [Line Items]
Other associated costs	0.6	3.2	2.0	8.5
Restructuring charges	4.2	(4.8)	5.5	(5.0)
Total	4.8	(1.6)	7.5	3.5
EQIP [Member]
Restructuring Cost And Reserve [Line Items]
Other associated costs	7.9	1.8	10.6	1.8
Restructuring charges	9.9	16.7	14.7	16.7
Total	$ 17.8	$ 18.5	$ 25.3	$ 18.5