CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012
Current assets
Cash and cash equivalents	$ 81,641	$ 62,101
Receivables, less allowance for doubtful accounts	156,741	129,103
Inventory	25,921	34,034
Prepaid expenses and other current assets	10,108	10,189
Total current assets	274,411	235,427
Property and equipment, net	31,920	23,721
Goodwill	415,324	350,810
Intangible assets, net	17,654	17,446
Deferred financing costs	3,182	2,877
Investments in and advances to unconsolidated affiliate	0	10,042
Other non-current assets	4,221	2,053
Total assets	746,712	642,376
Current liabilities
Current portion of long-term debt	178	953
Accounts payable	41,179	34,438
Claims payable	3,848	7,411
Amounts due to plan sponsors	12,549	18,173
Accrued interest	5,766	5,803
Accrued expenses and other current liabilities	35,862	41,491
Total current liabilities	99,382	108,269
Long-term debt, net of current portion	225,317	225,426
Deferred taxes	11,314	10,291
Other non-current liabilities	9,796	4,981
Total liabilities	345,809	348,967
Stockholders' equity
Preferred stock	0	0
Common stock	7	6
Treasury stock	(10,311)	(10,311)
Additional paid-in capital	513,299	388,798
Accumulated deficit	(102,092)	(85,084)
Total stockholders' equity	400,903	293,409
Total liabilities and stockholders' equity	$ 746,712	$ 642,376