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Supplemental Cash Flow Information - Additional Information Relating to Cash Flow Activities (Detail) (USD $)
In Thousands, unless otherwise specified
9 Months Ended
Sep. 30, 2014
Sep. 30, 2013
Supplemental Cash Flow Elements [Abstract]    
Cash payments (refunds) for income taxes, net $ (4,864) $ 12,865
Noncash investing and financing activities:    
Insurance claims receivable associated with property, plant and equipment    250
Accounts payable and long-term debt associated with additions of property, plant and equipment 23,017 19,488
Long-term debt associated with additions of capitalized internal-use software and software development 4,256 2,775
Secured term loan extinguished    66,563
Debt issuance costs incurred associated with senior secured notes    6,498
Debt issuance costs written off associated with secured term loan    630
Prepayment premium incurred associated with secured term loan    $ 666