XML 70 R57.htm IDEA: XBRL DOCUMENT v3.3.1.900
Accounts Payable and Accrued Expenses - Schedule of Accounts Payable and Accrued Expenses (Detail) - USD ($)
$ in Thousands
Dec. 31, 2015
Dec. 31, 2014
Payables and Accruals [Abstract]    
Accounts payable $ 21,969 $ 32,783
Accrued salaries and bonuses 233,499 231,390
Accrued payroll taxes and benefits 58,979 49,858
Accrued professional liability 25,995 19,718
Accrued contingent consideration 13,565 17,010
Accrual for uncertain tax positions 7,000  
Other accrued expenses 34,800 29,899
Accounts payable and accrued expenses, total $ 395,807 $ 380,658