Profit Sharing, Retirement Savings Plans and Defined Benefit Pension Plans - Fair Values of Pension Plan Assets, by Asset Category and Level of Fair Values (Detail) (USD $) In Millions, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
U.S. pension plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	$ 177.6	$ 171.2	$ 40.8
U.S. pension plans [Member] | Cash and cash equivalents [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	2.7	4.2
U.S. pension plans [Member] | Fixed income funds [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	96.2	96.4
U.S. pension plans [Member] | Equity funds [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	72.2	64.8
U.S. pension plans [Member] | Other [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	6.5	5.8
U.S. pension plans [Member] | Level 1 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets
U.S. pension plans [Member] | Level 1 [Member] | Cash and cash equivalents [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets
U.S. pension plans [Member] | Level 1 [Member] | Fixed income funds [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets
U.S. pension plans [Member] | Level 1 [Member] | Equity funds [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets
U.S. pension plans [Member] | Level 1 [Member] | Other [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets
U.S. pension plans [Member] | Level 2 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	171.3	165.5
U.S. pension plans [Member] | Level 2 [Member] | Cash and cash equivalents [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	2.7	4.2
U.S. pension plans [Member] | Level 2 [Member] | Fixed income funds [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	96.2	96.4
U.S. pension plans [Member] | Level 2 [Member] | Equity funds [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	72.2	64.8
U.S. pension plans [Member] | Level 2 [Member] | Other [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0.2	0.1
U.S. pension plans [Member] | Level 3 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	6.3	5.7
U.S. pension plans [Member] | Level 3 [Member] | Cash and cash equivalents [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets
U.S. pension plans [Member] | Level 3 [Member] | Fixed income funds [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets
U.S. pension plans [Member] | Level 3 [Member] | Equity funds [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets
U.S. pension plans [Member] | Level 3 [Member] | Other [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	6.3	5.7
Non-U.S. pension plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	805.6	719.6	218.3
Non-U.S. pension plans [Member] | Cash and cash equivalents [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	7.6	14.7
Non-U.S. pension plans [Member] | Fixed income funds [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	404.2	360.8
Non-U.S. pension plans [Member] | Equity funds [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	290.0	249.0
Non-U.S. pension plans [Member] | Insurance asset [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	21.6	15.4
Non-U.S. pension plans [Member] | Other [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	82.2	79.7
Non-U.S. pension plans [Member] | Level 1 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	5.8	8.2
Non-U.S. pension plans [Member] | Level 1 [Member] | Cash and cash equivalents [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	5.8	8.2
Non-U.S. pension plans [Member] | Level 1 [Member] | Fixed income funds [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets
Non-U.S. pension plans [Member] | Level 1 [Member] | Equity funds [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets
Non-U.S. pension plans [Member] | Level 1 [Member] | Insurance asset [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets
Non-U.S. pension plans [Member] | Level 1 [Member] | Other [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets
Non-U.S. pension plans [Member] | Level 2 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	750.2	665.1
Non-U.S. pension plans [Member] | Level 2 [Member] | Cash and cash equivalents [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	1.8	6.5
Non-U.S. pension plans [Member] | Level 2 [Member] | Fixed income funds [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	404.2	360.8
Non-U.S. pension plans [Member] | Level 2 [Member] | Equity funds [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	290.0	249.0
Non-U.S. pension plans [Member] | Level 2 [Member] | Insurance asset [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets
Non-U.S. pension plans [Member] | Level 2 [Member] | Other [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	20.4	48.8
Non-U.S. pension plans [Member] | Level 3 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	83.4	46.3
Non-U.S. pension plans [Member] | Level 3 [Member] | Cash and cash equivalents [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets
Non-U.S. pension plans [Member] | Level 3 [Member] | Fixed income funds [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets
Non-U.S. pension plans [Member] | Level 3 [Member] | Equity funds [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets
Non-U.S. pension plans [Member] | Level 3 [Member] | Insurance asset [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	21.6	15.4
Non-U.S. pension plans [Member] | Level 3 [Member] | Other [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	$ 61.8	$ 30.9