Accounts Payable and Accrued Expenses:

6 Months Ended

Jun. 30, 2014

6.	Accounts Payable and Accrued Expenses:

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


	June 30, 2014		December 31, 2013
Accounts payable	$	25,386	$	18,605
Accrued salaries and bonuses		118,378		189,439
Accrued payroll taxes and benefits		42,901		43,403
Accrued professional liabilities		19,635		19,324
Accrued contingent consideration		14,545		19,833
Other accrued expenses		20,921		18,150

	$	241,766	$	308,754

The net decrease in accrued salaries and bonuses of $71.0 million, from $189.4 million at December 31, 2013 to $118.4 million at June 30, 2014, 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, 2014. A majority of the Company’s payments for performance-based incentive compensation is paid annually in the first quarter.