Financial Commitments (Tables)

12 Months Ended

Dec. 31, 2014

Financial Commitments [Abstract]

Long-term Debt

	December 31,
	2014		2013
		(in thousands)
Senior unsecured notes due November 1, 2018 with interest rate of 7.625% payable in equal semi-annual installments beginning May 1, 2011 through November 1, 2018	$	300,000	$	300,000
Less unamortized debt discount based on imputed interest rate of 7.75%		(1,223)		(1,493)
Total amount, net of unamortized discount		298,777		298,507
$300.0 million revolving line of credit at lender's prime rate (3.25%) or Euro rate, plus applicable spread rates, maturing in 2019		130,000		135,000
$250.0 million term loan in 2014 and a $200.0 million term loan in 2013 including quarterly installments of principal and interest payable over a five-year period at rates as defined in the Sixth Amended and Restated Credit Facility, the Fifth Amended Credit Agreement, and the Swap Agreement		242,500		115,000
Equipment financing at rates ranging from 2.12% to 4.82% payable in equal monthly installments over a five-year period, with balloon payments totaling $8.3 million in 2016		102,009		78,055
Loan on transportation equipment with interest rate of 6.44% payable in equal monthly installments over a five-year period, with a balloon payment of $29.2 million in 2014		—		29,582
Loan on transportation equipment with interest rate of 3.35% payable in equal monthly installments over a ten-year period, with a balloon payment of $12.4 million in 2021		27,954		—
Lunda seller notes payable at a rate of 5% with interest payable annually and principal payable in 2016		21,750		21,750
Loan on transportation equipment at a variable LIBOR-based rate plus 2.4% payable in equal monthly installments over a seven-year period, with a balloon payment of $12.0 million in 2015		12,611		13,363
Mortgage on land and improvements at a variable LIBOR-based interest rate plus 3.00% payable in equal monthly installments over a 10-year period, with a balloon payment of $6.7 million in 2023.		9,144		9,404
Mortgages on land and office building, both at a variable LIBOR-based interest rate plus 2.0% with principal on both payable in equal monthly installments over seven years. The seven-year mortgages include balloon payments in 2016 of $3.0 million and $2.6 million, respectively		6,306		6,952
Mortgage on office building at a variable rate of lender's prime rate (3.25%) less 1.0% payable in equal monthly installments over a ten-year period, with a balloon payment of $2.6 million in 2018		3,428		3,671
Other indebtedness		10,880		22,600
Total		865,359		733,884
Less – current maturities		(81,292)		(114,658)
Long-term debt, net	$	784,067	$	619,226

Future Minimum Rent Payments under Non-Cancelable Operating Leases

	Amount
	(in thousands)
2015	$	22,394
2016		17,699
2017		13,659
2018		8,762
2019		7,175
Thereafter		29,733
Subtotal	$	99,422
Less -  Sublease rental agreements		(491)
	$	98,931