ACQUISITIONS - Preliminary Fair Value of Intangible Assets (Details) (USD $) In Thousands, unless otherwise specified	0 Months Ended
	Feb. 03, 2014
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill [Abstract]
Intangible assets	$ 45,529
Holly Hunt Enterprises, Inc [Member]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill [Abstract]
Intangible assets	45,529
Holly Hunt Enterprises, Inc [Member] | Non-competition Agreements [Member]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill [Abstract]
Intangible assets	2,440
Weighted-Average Useful Life	4 years
Holly Hunt Enterprises, Inc [Member] | Customer Relationships [Member]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill [Abstract]
Intangible assets	19,610
Weighted-Average Useful Life	10 years
Holly Hunt Enterprises, Inc [Member] | Tradename [Member]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill [Abstract]
Intangible assets	$ 23,479