RETIREMENT BENEFIT PLANS - Fair Value of U.S. and Puerto Rico Pension Plan Assets (Detail) (U S And Puerto Rico [Member], USD $) In Millions, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Defined Benefit Plan Disclosure [Line Items]
Plan assets at fair market value	$ 363.0	$ 275.1
Fair Value Measurements at Reporting Date Using: Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]
Defined Benefit Plan Disclosure [Line Items]
Plan assets at fair market value	3.2	1.4
Fair Value Measurements at Reporting Date Using: Significant Other Observable Inputs (Level 2) [Member]
Defined Benefit Plan Disclosure [Line Items]
Plan assets at fair market value	359.8	273.7
Cash and Cash Equivalents [Member]
Defined Benefit Plan Disclosure [Line Items]
Plan assets at fair market value	3.2	1.4
Cash and Cash Equivalents [Member] | Fair Value Measurements at Reporting Date Using: Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]
Defined Benefit Plan Disclosure [Line Items]
Plan assets at fair market value	3.2	1.4
U.S. large-cap [Member]
Defined Benefit Plan Disclosure [Line Items]
Plan assets at fair market value	60.3	52.9
U.S. large-cap [Member] | Fair Value Measurements at Reporting Date Using: Significant Other Observable Inputs (Level 2) [Member]
Defined Benefit Plan Disclosure [Line Items]
Plan assets at fair market value	60.3	52.9
U.S. small-cap [Member]
Defined Benefit Plan Disclosure [Line Items]
Plan assets at fair market value	22.1	17.4
U.S. small-cap [Member] | Fair Value Measurements at Reporting Date Using: Significant Other Observable Inputs (Level 2) [Member]
Defined Benefit Plan Disclosure [Line Items]
Plan assets at fair market value	22.1	17.4
International [Member]
Defined Benefit Plan Disclosure [Line Items]
Plan assets at fair market value	87.5	50.0
International [Member] | Fair Value Measurements at Reporting Date Using: Significant Other Observable Inputs (Level 2) [Member]
Defined Benefit Plan Disclosure [Line Items]
Plan assets at fair market value	87.5	50.0
Real Estate [Member]
Defined Benefit Plan Disclosure [Line Items]
Plan assets at fair market value	29.5	18.7
Real Estate [Member] | Fair Value Measurements at Reporting Date Using: Significant Other Observable Inputs (Level 2) [Member]
Defined Benefit Plan Disclosure [Line Items]
Plan assets at fair market value	29.5	18.7
Commodity- linked mutual funds [Member]
Defined Benefit Plan Disclosure [Line Items]
Plan assets at fair market value	38.3	25.0
Commodity- linked mutual funds [Member] | Fair Value Measurements at Reporting Date Using: Significant Other Observable Inputs (Level 2) [Member]
Defined Benefit Plan Disclosure [Line Items]
Plan assets at fair market value	38.3	25.0
Intermediate Fixed Income Debt Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Plan assets at fair market value	122.1	109.7
Intermediate Fixed Income Debt Securities [Member] | Fair Value Measurements at Reporting Date Using: Significant Other Observable Inputs (Level 2) [Member]
Defined Benefit Plan Disclosure [Line Items]
Plan assets at fair market value	$ 122.1	$ 109.7