Condensed Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Cash flows from operating activities:
Net income (loss)	$ (757)	$ 13,178
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization, net	12,495	14,232
Impairment losses	149	726
Unrealized foreign currency transaction (gains) losses, net	80	(1,439)
Stock-based compensation expense	1,119	1,750
Excess tax (benefit) from stock-based compensation		(32)
Deferred income tax provision (benefit)	(303)	113
Net (gain) loss on disposal of property and equipment	(51)	150
Bad debt expense	733	51
Unrealized (gains) losses on financial instruments, net	(577)	1,750
Amortization of deferred loan fees	146	146
(Loss) on sale of discontinued operations	10,707
Other	(101)	522
Changes in assets and liabilities:
Receivables	(16,076)	(3,738)
Prepaid expenses	(4,269)	(3,444)
Other current assets	706	(382)
Deferred charges and other assets	(1,929)	(13)
Accounts payable	(1,604)	(5,909)
Income taxes receivable / payable	(21)	(3,437)
Accrued employee compensation and benefits	17	9,728
Other accrued expenses and current liabilities	3,939	(2,609)
Deferred revenue	(143)	(807)
Other long-term liabilities	(142)	(507)
Net cash provided by operating activities	4,118	20,029
Cash flows from investing activities:
Capital expenditures	(6,818)	(6,175)
Proceeds from sale of property and equipment	100	9
Investment in restricted cash	(63)	(6)
Release of restricted cash	356
Cash divested on sale of discontinued operations	(9,100)
Other	227
Net cash (used for) investing activities	(15,298)	(6,172)
Cash flows from financing activities:
Excess tax benefit from stock-based compensation		32
Cash paid for repurchase of common stock	(6,200)	(5,512)
Shares repurchased for minimum tax withholding on equity awards	(1,412)	(1,190)
Net cash (used for) financing activities	(7,612)	(6,670)
Effects of exchange rates on cash	3,707	2,885
Net increase (decrease) in cash and cash equivalents	(15,085)	10,072
Cash and cash equivalents - beginning	211,122	189,829
Cash and cash equivalents - ending	196,037	199,901
Supplemental disclosures of cash flow information:
Cash paid during period for interest	306	261
Cash paid during period for income taxes	5,374	6,821
Non-cash transactions:
Property and equipment additions in accounts payable	1,671	1,690
Unrealized gain on postretirement obligation in accumulated other comprehensive income (loss)	$ 15	$ 17