Accounts Payable and Accrued Expenses

9 Months Ended

Sep. 30, 2018

6.	Accounts Payable and Accrued Expenses:

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


	September 30, 2018		December 31, 2017
Accounts payable	$	30,709	$	34,632
Accrued salaries and bonuses		194,457		225,429
Accrued payroll taxes and benefits		78,211		75,672
Accrued professional liabilities		33,468		37,912
Accrued contingent consideration		21,430		6,259
Accrued interest		15,418		4,495
Other accrued expenses		40,046		53,618

	$413,739		$438,017

The net decrease in accrued salaries and bonuses of $31.0 million from December 31, 2017 to September 30, 2018 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 nine months ended September 30, 2018. A majority of the Company’s payments for performance-based incentive compensation is paid annually during the first quarter.