CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands	6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010
OPERATING ACTIVITIES
Net loss	$ (7,336)	$ (28,720)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation and amortization	35,971	36,096
Other amortization	123	133
Pension settlement expense		178
Share-based compensation expense	3,699	2,158
Provision for losses on accounts receivable	1,122	303
Deferred income tax benefit	(6,569)	(8,200)
Gain on sale of property and equipment	(873)	(72)
Changes in operating assets and liabilities:
Receivables	(25,756)	(20,857)
Prepaid expenses	836	1,399
Other assets	146	706
Income taxes	2,417	21,605
Accounts payable, accrued expenses and other liabilities	29,352	14,499
NET CASH PROVIDED BY OPERATING ACTIVITIES	33,132	19,228
INVESTING ACTIVITIES
Purchases of property, plant and equipment, net of capital leases and notes payable	(18,766)	(3,399)
Proceeds from sales of property and equipment	3,370	2,676
Purchases of short-term investments	(12,250)	(27,542)
Proceeds from sales of short-term investments	14,125	57,916
Capitalization of internally developed software and other	(2,183)	(2,293)
NET CASH PROVIDED BY (USED IN) INVESTING ACTIVITIES	(15,704)	27,358
FINANCING ACTIVITIES
Payments on long-term debt	(6,994)	(3,011)
Proceeds from issuance of long-term debt		11,416
Net change in bank overdraft	2,797	(11,844)
Change in restricted cash equivalents and short-term investments	(20)	(983)
Deferred financing costs	(133)
Payment of common stock dividends	(1,585)	(1,554)
Proceeds from the exercise of stock options and other	763	515
NET CASH USED IN FINANCING ACTIVITIES	(5,172)	(5,461)
NET INCREASE IN CASH AND CASH EQUIVALENTS	12,256	41,125
Cash and cash equivalents at beginning of period	102,578	39,332
CASH AND CASH EQUIVALENTS AT END OF PERIOD	114,834	80,457
NONCASH INVESTING ACTIVITIES
Accruals for equipment received	5,358	5,931
Equipment financed under capital leases and notes payable	$ 3,882	$ 4,779