Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013
OPERATING ACTIVITIES:
Net earnings from continuing operations	$ 25,415	$ 23,215
Net earnings (loss) from discontinued operations	734	(2)
Adjustments to reconcile net earnings to net cash provided by operating activities:
Depreciation and amortization	78,428	66,077
Pension and post-retirement	(2,376)	5,295
Deferred income taxes	14,998	13,736
Amortization of stock-based compensation	2,108	2,123
Amortization of DHL promissory note	(4,650)	(4,650)
Net gain on derivative instruments	(969)	(425)
Changes in assets and liabilities:
Accounts receivable	15,951	2,183
Inventory and prepaid supplies	(5,150)	(2,516)
Accounts payable	(5,144)	(157)
Unearned revenue	(1,683)	(5,676)
Accrued expenses, salaries, wages, benefits and other liabilities	3,294	1,520
Pension and post-retirement assets	(11,845)	(35,771)
Other	(1,630)	(3,439)
NET CASH PROVIDED BY OPERATING ACTIVITIES	107,481	61,513
INVESTING ACTIVITIES:
Capital expenditures	(90,866)	(96,766)
Proceeds from property and equipment	1,910	1,337
Investment in non-controlling affiliate	(15,000)	0
NET CASH (USED IN) INVESTING ACTIVITIES	(103,956)	(95,429)
FINANCING ACTIVITIES:
Principal payments on long term obligations	(53,234)	(47,928)
Proceeds from borrowings	45,000	80,000
Reimbursement of Hanger Construction Costs	6,452	3,266
NET CASH (USED IN) PROVIDED BY FINANCING ACTIVITIES	(1,782)	35,338
NET INCREASE IN CASH AND CASH EQUIVALENTS	1,743	1,422
CASH AND CASH EQUIVALENTS AT BEGINNING OF YEAR	31,699	15,442
CASH AND CASH EQUIVALENTS AT END OF PERIOD	33,442	16,864
SUPPLEMENTAL CASH FLOW INFORMATION:
Interest paid, net of amount capitalized	10,266	9,976
Federal alternative minimum and state income taxes paid	565	1,014
SUPPLEMENTAL NON-CASH INFORMATION:
Debt extinguished	4,650	4,650
Accrued capital expenditures	$ 461	$ 1,394