Condensed Unaudited Consolidated Statements of Cash Flows - USD ($)		3 Months Ended
		Mar. 31, 2016	Mar. 31, 2015
Cash flows from operating activities:
Net loss		$ (2,881,000)	$ (6,388,000)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation and amortization		39,008,000	42,598,000
Non-cash interest expense, net		736,000	639,000
Non-cash stock-based compensation expense		3,523,000	3,575,000
Excess tax benefit from stock-based compensation	[1]	(248,000)	0
Benefit from deferred income taxes		(4,369,000)	(6,693,000)
Other non-cash items		881,000	473,000
Gains on sales of assets		(1,025,000)	(441,000)
Changes in assets and liabilities, net of acquisitions:
Accounts receivable		(54,992,000)	150,006,000
Inventories		(9,090,000)	12,278,000
Other assets, current and long-term portion		25,255,000	(2,841,000)
Accounts payable and accrued expenses		23,245,000	(78,700,000)
Billings in excess of costs and earnings		28,038,000	(7,510,000)
Book overdrafts		(3,712,000)	7,861,000
Other liabilities, current and long-term portion		(28,518,000)	3,969,000
Net cash provided by operating activities		15,851,000	118,826,000
Cash flows used in investing activities:
Cash paid for acquisitions, net of cash acquired		0	(148,000)
Capital expenditures		(13,343,000)	(19,660,000)
Proceeds from sale of property and equipment		2,237,000	1,360,000
Payments for other investments		(1,514,000)	(31,959,000)
Net cash used in investing activities		(12,620,000)	(50,407,000)
Cash flows used in financing activities:
Proceeds from credit facilities		335,747,000	439,507,000
Repayments of credit facilities		(320,742,000)	(404,776,000)
Repayments of other borrowings		(6,543,000)	(3,115,000)
Payments of capital lease obligations		(14,175,000)	(12,110,000)
Repurchase of common stock		0	(83,261,000)
Proceeds from stock-based awards, net of tax withholdings		1,817,000	925,000
Excess tax benefit from stock-based compensation		248,000	0
Net cash used in financing activities		(3,648,000)	(62,830,000)
Effect of currency translation on cash		(682,000)	(957,000)
Net (decrease) increase in cash and cash equivalents		(1,099,000)	4,632,000
Cash and cash equivalents - beginning of period		4,984,000	24,059,000
Cash and cash equivalents - end of period		3,885,000	28,691,000
Supplemental cash flow information:
Interest paid		15,828,000	15,633,000
Income taxes paid, net of refunds		2,295,000	1,473,000
Supplemental disclosure of non-cash information:
Equipment acquired under capital lease		0	4,011,000
Accrued capital expenditures		6,806,000	3,627,000
Equipment [Member]
Supplemental disclosure of non-cash information:
Equipment acquired under financing arrangements		$ 0	$ 5,758,000

[1] Excess tax benefits, which represent cash flows from tax deductions in excess of the tax effect of compensation expense associated with exercised stock options and vested restricted shares, are classified as financing cash flows in the Company’s condensed unaudited consolidated statements of cash flows. There were no excess tax benefits for the three month period ended March 31, 2015.