SIGNIFICANT ACCOUNTING POLICIES (Details 6) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Long-Lived Asset Impairment
Impairments of long-lived asset	$ 0	$ 0
Marketing
Marketing costs, including advertising	$ 4.5	$ 4.2	$ 3.9
Non-compete agreements | Minimum
Goodwill and Other Intangible Assets
Estimated useful life	2 years
Non-compete agreements | Maximum
Goodwill and Other Intangible Assets
Estimated useful life	7 years
Other definite-lived intangible assets | Maximum
Goodwill and Other Intangible Assets
Estimated useful life	20 years
Trade Name | Minimum
Goodwill and Other Intangible Assets
Estimated useful life	1 year
Trade Name | Maximum
Goodwill and Other Intangible Assets
Estimated useful life	3 years