Accounts Payable and Accrued Expenses

6 Months Ended

Jun. 30, 2016

6.	Accounts Payable and Accrued Expenses:

Accounts payable and accrued expenses consist of the following (in thousands):


	June 30, 2016		December 31, 2015
Accounts payable	$	27,913	$	21,969
Accrued salaries and bonuses		136,832		233,499
Accrued payroll taxes and benefits		53,085		58,979
Accrued professional liabilities		27,620		25,995
Accrued contingent consideration		9,134		13,565
Accrued uncertain tax positions		7,000		7,000
Other accrued expenses		38,496		34,800

	$	300,080	$	395,807

The net decrease in accrued salaries and bonuses of $96.7 million, from December 31, 2015 to June 30, 2016, is primarily due to the payment of performance-based incentive compensation, principally to the Company’s physicians, partially offset by performance-based incentive compensation accrued during the six months ended June 30, 2016. A majority of the Company’s payments for performance-based incentive compensation is paid annually in the first quarter.