Accounts Payable and Accrued Expenses:

3 Months Ended

Mar. 31, 2014

6.	Accounts Payable and Accrued Expenses:

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


	March 31, 2014		December 31, 2013
Accounts payable	$	17,855	$	18,605
Accrued salaries and bonuses		65,747		189,439
Accrued payroll taxes and benefits		34,383		43,403
Accrued professional liabilities		18,596		19,324
Accrued contingent consideration		20,537		19,833
Other accrued expenses		20,970		18,150

	$	178,088	$	308,754

The net decrease in accrued salaries and bonuses of $123.7 million, from $189.4 million at December 31, 2013 to $65.7 million at March 31, 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 three months ended March 31, 2014. A majority of the Company’s payments for performance-based incentive compensation is paid annually in the first quarter.