Reconciliation of Benefit Obligation Plan Assets and Funded Status of Pension and Postretirement Plans (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013		Dec. 31, 2012		Dec. 31, 2011
Pension Benefits, Domestic
Defined Benefit Plan Disclosure [Line Items]
Benefit obligation at beginning of year	$ 348.4	[1]	$ 334.3
Service cost			0.2		0.2
Interest cost	13.3		14.5		15.9
Actuarial loss (gain)	(26.1)		21.1
Benefits paid	(21.2)		(21.7)
Benefit obligation at end of year	314.4	[1]	348.4	[1]	334.3
Fair value of plan assets at beginning of year	256.5		234.6
Actual return on plan assets	19.2		27.7
Company contributions	15.5		15.9
Fair value of plan assets at end of year	270.0		256.5		234.6
Net (liability) recognized in the consolidated balance sheet	(44.4)		(91.9)
Discount rate	4.80%		3.95%
Pension Benefits, Foreign
Defined Benefit Plan Disclosure [Line Items]
Benefit obligation at beginning of year	71.6	[1]	60.9
Service cost	2.2		1.9		1.9
Interest cost	2.3		2.6		2.8
Curtailments and settlements	(1.6)		(0.7)
Amendments			0.3
Actuarial loss (gain)	(1.5)		8.6
Benefits paid	(2.7)		(2.9)
Foreign currency translation and other	0.7		0.9
Benefit obligation at end of year	71.0	[1]	71.6	[1]	60.9
Fair value of plan assets at beginning of year	33.5		30.2
Actual return on plan assets	1.5		1.5
Company contributions	4.3		4.3
Settlements	(1.6)		(0.7)
Foreign currency translation and other	0.7		1.1
Fair value of plan assets at end of year	35.7		33.5		30.2
Net (liability) recognized in the consolidated balance sheet	(35.3)		(38.1)
Discount rate	3.58%		3.34%
Rate of compensation increase	2.50%		2.56%
Pension Benefits
Defined Benefit Plan Disclosure [Line Items]
Benefit obligation at beginning of year	420.0	[1]	395.2
Service cost	2.2		2.1		2.1
Interest cost	15.6		17.1		18.7
Curtailments and settlements	(1.6)		(0.7)
Amendments			0.3
Actuarial loss (gain)	(27.6)		29.7
Benefits paid	(23.9)		(24.6)
Foreign currency translation and other	0.7		0.9
Benefit obligation at end of year	385.4	[1]	420.0	[1]	395.2
Fair value of plan assets at beginning of year	290.0		264.8
Actual return on plan assets	20.7		29.2
Company contributions	19.8		20.2
Settlements	(1.6)		(0.7)
Foreign currency translation and other	0.7		1.1
Fair value of plan assets at end of year	305.7		290.0		264.8
Net (liability) recognized in the consolidated balance sheet	(79.7)		(130.0)
Discount rate	4.58%		3.85%
Rate of compensation increase	2.50%		2.56%
Postretirement Benefits
Defined Benefit Plan Disclosure [Line Items]
Benefit obligation at beginning of year	7.6	[1]	7.8
Service cost			0.1		0.3
Interest cost	0.3		0.3		0.7
Actuarial loss (gain)	(1.1)		(0.3)
Participant contributions	0.2		0.3
Benefits paid	(0.6)		(0.6)
Benefit obligation at end of year	6.4	[1]	7.6	[1]	7.8
Company contributions	0.4		0.3
Net (liability) recognized in the consolidated balance sheet	$ (6.4)		$ (7.6)
Discount rate	4.70%		3.90%
Healthcare cost trend rate, Current	6.60%		6.75%
Healthcare cost trend rate, Ultimate	4.50%		4.50%

[1] The accumulated benefit obligation for all defined benefit pension plans was $379 and $414 at December 31, 2013 and 2012, respectively.