CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011
CURRENT ASSETS:
Cash and cash equivalents	$ 68,601	$ 72,575
Short-term investments		10,390
Accounts receivable (less allowances of $2,605 in 2012 and $2,176 in 2011)	90,767	100,719
Deferred income taxes		4,796
Other current assets (includes restricted cash of $1,839 in 2012 and $1,180 in 2011)	14,395	14,562
Assets of discontinued operations		766
Total current assets	173,763	203,808
Property and equipment, net	68,541	54,159
Goodwill	380,950	580,229
Intangible assets, net	187,554	201,405
Other non-current assets (includes restricted cash of $3,284 in 2012 and $2,989 in 2011)	17,983	18,642
Total assets	828,791	1,058,243
CURRENT LIABILITIES:
Current portion of long-term debt	7,300	4,900
Accounts payable	8,443	14,356
Accrued liabilities	27,848	33,878
Deferred revenue	1,900	2,474
Total current liabilities	45,491	55,608
Long-term debt, net of current portion	447,683	478,133
Deferred income taxes	12,236	9,477
Other non-current liabilities	15,244	7,239
Total liabilities	520,654	550,457
STOCKHOLDERS' EQUITY:
Preferred stock, $0.001 par value-Authorized 15,000 shares; issued and outstanding-none
Common stock, $0.001 par value-Authorized 200,000 shares; 29,113 issued and 27,609 outstanding at September 30, 2012; 28,707 issued and 27,203 outstanding at December 31, 2011	29	29
Treasury stock, at cost	(35,548)	(35,548)
Additional capital	643,702	626,398
Accumulated deficit	(298,322)	(79,312)
Accumulated other comprehensive loss	(1,724)	(3,781)
Total stockholders' equity	308,137	507,786
Total liabilities and stockholders' equity	$ 828,791	$ 1,058,243