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Related Party Transactions	6 Months Ended
Related Party Transactions	Jun. 30, 2018
Related Party Transactions [Abstract]
RELATED PARTY TRANSACTIONS	NOTE T— RELATED PARTY TRANSACTIONS A current officer of one of our operating subsidiaries holds an ownership interest in a transportation brokerage and logistics services vendor, from which we made purchases of approximately $0.9 million and $1.8 million for the three and six months ended June 30, 2018, respectively, and $1.2 million and $1.9 million for the three and six months ended June 30, 2017, respectively.