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GOODWILL AND OTHER INTANGIBLE ASSETS (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Goodwill [Roll Forward]
Goodwill	$ 506,905	$ 525,467
Acquisitions	114,903	9,620
Purchase price adjustments	0	21,522
Goodwill, Impairment Loss	0	11,795
Goodwill, Translation Adjustments	(39,472)	(37,909)
Goodwill	582,336	506,905
Cumulative goodwill impairment	72,358
United States [Member]
Goodwill [Roll Forward]
Goodwill	202,020	180,498
Acquisitions	0	0
Purchase price adjustments	0	21,522
Goodwill, Impairment Loss	0	0
Goodwill, Translation Adjustments	0	0
Goodwill	202,020	202,020
Cumulative goodwill impairment	17,038
Canada [Member]
Goodwill [Roll Forward]
Goodwill	141,189	144,588
Acquisitions	0	9,620
Purchase price adjustments	0	0
Goodwill, Impairment Loss	0	0
Goodwill, Translation Adjustments	(22,660)	(13,019)
Goodwill	118,529	141,189
Cumulative goodwill impairment	32,265
Other Businesses [Member]
Goodwill [Roll Forward]
Goodwill	163,696	200,381
Acquisitions	114,903	0
Purchase price adjustments	0	0
Goodwill, Impairment Loss	0	11,795
Goodwill, Translation Adjustments	(16,812)	(24,890)
Goodwill	261,787	$ 163,696
Cumulative goodwill impairment	$ 23,055

X

- Definition

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

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