MATERIAL CHARGES AND OTHER OPERATING EXPENSES (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
MATERIAL CHARGES AND OTHER OPERATING EXPENSES [Abstract]
Redomestication expenses	$ 13.8
Repair costs for the EXL	12.0
Pension settlement costs	8.7
Asset impairment charges	8.1
Incremental share-based compensation cost	2.3	2.0
Gain (loss) from litigation settlements	4.7	(6.1)
Incremental noncash and cash compensation cost in connection with the separation of an employee		4.9
Expected cost of terminating an agency agreement in Mexico			$ 5.3

The amount of net gain (loss) recognized in net periodic benefit cost as a result of an irrevocable action that relieves the employer (or the plan) of primary responsibility for a benefit obligation and eliminates significant risks related to the obligation and the assets used to effect the settlement. Examples of transactions that constitute a settlement include (a) making lump-sum cash payments to plan participants in exchange for their rights to receive specified benefits and (b) purchasing nonparticipating annuity contracts to cover vested benefits.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Number 88

-Name Statement of Financial Accounting Standard (FAS)

-Paragraph 3

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Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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-Name Statement of Financial Accounting Standard (FAS)

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Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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Reference 6: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 87

-Paragraph 264

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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