|
Reconciliation of Beginning and Ending Amount of Unrecognized Tax Benefits (Detail) (USD $)
In Millions, unless otherwise specified |
12 Months Ended | |
|---|---|---|
|
Dec. 31, 2012
|
Dec. 31, 2011
|
|
| Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Line Items] | ||
| Beginning balance (January 1) | $ 19.9 | $ 20.5 |
| Increases related to prior year tax positions | 1.9 | 2.8 |
| Decreases related to prior year tax positions | (0.5) | (0.3) |
| Increases related to current year tax positions | 2.6 | 3.3 |
| Decreases related to settlements | (1.0) | (3.9) |
| Expiration of the statute of limitations for the assessment of taxes | (3.3) | (2.0) |
| Currency translation adjustment | (0.1) | (0.5) |
| Ending balance (December 31) | $ 19.5 | $ 19.9 |
| X | ||||||||||
|
- Definition
Unrecognized Tax Benefits, Increases Decreases Resulting From Currency Translation No definition available.
|
| X | ||||||||||
|
- Details
|
| X | ||||||||||
|
- Definition
The gross amount of unrecognized tax benefits pertaining to uncertain tax positions taken in tax returns as of the balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Definition
The gross amount of decreases in unrecognized tax benefits resulting from tax positions taken in prior period tax returns, excluding amounts pertaining to examined tax returns. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Definition
The gross amount of decreases in unrecognized tax benefits resulting from settlements with taxing authorities. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Definition
The gross amount of increases in unrecognized tax benefits resulting from tax positions that have been or will be taken in the tax return for the current period, excluding amounts pertaining to examined tax returns. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Definition
The gross amount of increases in unrecognized tax benefits resulting from tax positions taken in prior period tax returns, excluding amounts pertaining to examined tax returns. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Definition
The gross amount of decreases in unrecognized tax benefits resulting from lapses of the applicable statutes of limitations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|