GOODWILL AND INTANGIBLE ASSETS (Schedule of Goodwill by Reportable Business Segment) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Goodwill [Line Items]
Goodwill gross value			$ 389,104
Accumulated impairment losses prior to December 31, 2010			(92,423)
Adjustments	2,083	(991)
Goodwill carrying value	297,773	295,690	296,681
North America [Member]
Goodwill [Line Items]
Goodwill gross value			364,457
Accumulated impairment losses prior to December 31, 2010			(92,423)
Adjustments	610	(504)
Goodwill carrying value	272,140	271,530	272,034
Europe [Member]
Goodwill [Line Items]
Goodwill gross value			19,334
Accumulated impairment losses prior to December 31, 2010
Adjustments	1,360	(478)
Goodwill carrying value	20,216	18,856	19,334
Asia Pacific [Member]
Goodwill [Line Items]
Goodwill gross value			5,313
Accumulated impairment losses prior to December 31, 2010
Adjustments	113	(9)
Goodwill carrying value	$ 5,417	$ 5,304	$ 5,313

Carrying amount as of the balance sheet date, which is the cumulative amount paid and (if applicable) the fair value of any noncontrolling interest in the acquiree, adjusted for any amortization recognized prior to the adoption of any changes in generally accepted accounting principles (as applicable) and for any impairment charges, in excess of the fair value of net assets acquired in one or more business combination transactions.

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-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

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

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-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 141R

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-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 142

-Paragraph 43

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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.

Reference 7: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 142

-Paragraph 45

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-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 141R

-Paragraph 72

-Subparagraph d

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