Current and Long- Term Liabilities

6 Months Ended

Jun. 30, 2016

I. CURRENT AND LONG-TERM LIABILITIES

Accrued Expenses

Accrued expenses consisted of the following as of June 30, 2016 and December 31, 2015 (in thousands):


	June 30, 2016		December 31, 2015
Commercial rebates, fees and returns	$	52,860	$	45,161
Professional, license, and other fees and expenses		24,600		27,070
Interest expense		16,926		18,411
Salaries, bonuses, and other compensation		12,106		12,838
Restructuring expense		1,107		2,883
Total accrued expenses	$	107,599	$	106,363

Deferred Revenues

Our deferred revenues balance as of June 30, 2016 was primarily related to our CBR service revenues and includes: (a) amounts collected in advance of unit processing and (b) amounts associated with unearned storage fees collected at the beginning of the storage contract term, net of allocated discounts.