Debt - Outstanding Debt (Detail) (USD $) In Millions, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Debt Instrument [Line Items]
Short-term loans	$ 12.7	$ 2.1
Current maturities of long-term debt	3.6	0.3
Current capital leases	0.5
Short-term loans and current maturities of long-term debt	16.8	2.4
Non-current maturities of long-term debt	8.5	4.0
Non-current capital leases	1.6	0.1
Long-term debt and capital leases	10.1	4.1
Total debt and capital leases	$ 26.9	$ 6.5

Amount equal to the present value (the principal) at the beginning of the lease term of minimum lease payments during the lease term (excluding that portion of the payments representing executory costs such as insurance, maintenance, and taxes to be paid by the lessor, together with any profit thereon) net of payments or other amounts applied to the principal, through the balance sheet date and due to be paid within one year (or one operating cycle, if longer) of the balance sheet date.

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Sum of the carrying values as of the balance sheet date of all long-term debt, which is debt initially having maturities due after one year from the balance sheet date or beyond the operating cycle, if longer, but excluding the portions thereof scheduled to be repaid within one year or the normal operating cycle, if longer plus capital lease obligations due to be paid more than one year after the balance sheet date.

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