6. Supplementary Balance Sheet Information

Accrued Expenses and Current Portion of Other Long-Term Liabilities - Accrued expenses and current portion of other long-term liabilities are summarized as follows:



	2016		2015
Property, payroll, and other taxes payable	$	18,883,819	$	17,882,565
Salaries, wages, and bonuses payable		28,159,164		26,336,530
Self-insurance liabilities:
Employee group insurance		5,807,558		5,166,501
Workers’ compensation insurance		5,929,533		6,752,941
General liability insurance		2,345,956		2,805,351
Interest		12,406,614		12,623,691
Other		2,782,962		2,984,655
Total	$	76,315,606	$	74,552,234

Employee insurance expense, including workers’ compensation and medical care benefits, net of employee contributions, totaled $34.5 million, $33.6 million and $27.4 million for fiscal years 2016, 2015 and 2014, respectively.

Other Long-Term Liabilities - Other long-term liabilities are summarized as follows:



	2016		2015
Advance payments on purchases contracts	$	1,624,792	$	1,704,061
Deferred lease expense		1,884,501		1,906,317
Nonqualified investment plan liability		10,692,707		8,866,880
Self-insurance liabilities:
Workers’ compensation insurance		18,101,931		17,819,587
General liability insurance		3,700,263		3,732,115
Other		1,655,285		1,484,815
Total other long-term liabilities		37,659,479		35,513,775
Less current portion		883,892		952,661
	$	36,775,587	$	34,561,114

Advance Payments on Purchases Contracts - The Company has entered into agreements with suppliers whereby payment is received in advance and earned based on purchases of product from these suppliers in the future. The unearned portion, included in other long-term liabilities, will be recognized in the results of operations in accordance with the terms of the contract.