Quarterly report pursuant to Section 13 or 15(d)

Acquistions - Fair Value of Consideration Transferred (Details)

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Acquistions - Fair Value of Consideration Transferred (Details) (ITS [Member], USD $)
 0 Months Ended
Apr. 22, 2013
ITS [Member]
  
Business Acquisition [Line Items]  
Cash paid to, or on behalf of, ITS and its equity holders $ 101,000,000
Cash deposited in escrow 19,000,000
Fair value of contingent consideration deposited in escrow for assets not acquired (1) 5,000,000 [1]
Total fair value of the consideration transferred 125,000,000
Cash paid for acquistion $ 24,000,000
[1] Based on the terms of the Agreement, $5.0 million of the $24.0 million in escrow to be paid to the Seller is contingent upon certain future liabilities that could become due by ITS in certain jurisdictions. Any payments in relation to these liabilities will be deducted from the $5.0 million escrow amount and the net balance of the escrow will be paid to the Seller. The estimated fair value of the consideration in escrow related to these liabilities is $5.0 million. Although not expected, we could be responsible for these liabilities should they be greater than the $5.0 million in escrow.