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CONSOLIDATED BALANCE SHEETS (USD $)
In Thousands, unless otherwise specified
Sep. 30, 2012
Dec. 31, 2011
ASSETS    
Cash and cash equivalents $ 66,124 $ 18,596
Short-term investments 5,765 4,139
Accounts receivable, net 250,507 230,388
Prepaid expenses 5,149 6,305
Deferred income taxes 68,363 70,314
Other assets 6,898 7,531
Total current assets 402,806 337,273
Investments 40,501 44,991
Property and equipment, net 59,207 60,530
Goodwill 1,939,782 1,746,762
Other assets, net 90,673 83,092
Total assets 2,532,969 2,272,648
LIABILITIES AND SHAREHOLDERS' EQUITY    
Accounts payable and accrued expenses 224,910 234,535
Current portion of long-term capital lease obligations 92 143
Income taxes payable 19,879 19,623
Total current liabilities 244,881 254,301
Line of credit 48,000 29,000
Long-term capital lease obligations 257 327
Long-term professional liabilities 123,692 109,629
Deferred income taxes 111,173 93,831
Other liabilities 55,857 54,544
Total liabilities 583,860 541,632
Commitments and contingencies      
Shareholders' equity:    
Preferred stock; $.01 par value; 1,000 shares authorized; none issued      
Common stock; $.01 par value; 100,000 shares authorized; 49,795 and 48,933 shares issued and outstanding, respectively 498 489
Additional paid-in capital 767,926 724,646
Retained earnings 1,180,685 1,005,881
Total shareholders' equity 1,949,109 1,731,016
Total liabilities and shareholders' equity $ 2,532,969 $ 2,272,648