CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
CURRENT ASSETS:
Cash and cash equivalents	$ 84,520	$ 72,575
Short-term investments	314	10,390
Accounts receivable (less allowances of $2,499 in 2012 and $2,176 in 2011)	97,583	100,719
Deferred income taxes	864	4,796
Other current assets (includes restricted cash of $1,917 in 2012 and $1,180 in 2011)	21,997	14,562
Assets of discontinued operations		766
Total current assets	205,278	203,808
Property and equipment, net	66,169	54,159
Goodwill	369,137	580,229
Intangible assets, net	180,156	201,405
Deferred income taxes	171
Other non-current assets (includes restricted cash of $4,178 in 2012 and $2,989 in 2011)	16,300	18,642
Total assets	837,211	1,058,243
CURRENT LIABILITIES:
Current portion of long-term debt	76,950	4,900
Accounts payable	7,794	14,356
Accrued liabilities	38,291	33,878
Deferred income taxes	37
Deferred revenue	1,627	2,474
Total current liabilities	124,699	55,608
Long-term debt, net of current portion	376,968	478,133
Deferred income taxes	28,028	9,477
Other non-current liabilities	16,322	7,239
Total liabilities	546,017	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; 29,163 issued and 27,659 outstanding at December 31, 2012; 28,707 issued and 27,203 outstanding at December 31, 2011	29	29
Treasury stock, at cost	(35,548)	(35,548)
Additional capital	647,515	626,398
Accumulated other comprehensive loss	(1,655)	(3,781)
Accumulated deficit	(319,147)	(79,312)
Total stockholders' equity	291,194	507,786
Total liabilities and stockholders' equity	$ 837,211	$ 1,058,243