ACCRUED EXPENSES AND OTHER LIABILITIES



	December 31, 2018				December 31, 2017
	Accrued Expenses		Non-Current Liabilities	Total	Accrued Expenses	Non-Current Liabilities	Total
	(In thousands)
Salaries and wages	$	149,629	—	149,629	135,930	—	135,930
Deferred compensation	4,524		55,279	59,803	4,269	58,411	62,680
Pension benefits	3,754		456,979	460,733	3,863	412,417	416,280
Other postretirement benefits	1,387		18,097	19,484	1,481	19,760	21,241
Other employee benefits	28,370		—	28,370	28,636	3,279	31,915
Insurance obligations ⁽¹⁾	139,314		247,552	386,866	130,848	242,473	373,321
Operating taxes	100,399		—	100,399	95,848	—	95,848
Income taxes	3,491		18,477	21,968	8,550	23,888	32,438
Interest	39,522		—	39,522	30,003	—	30,003
Deposits, mainly from customers	80,401		3,390	83,791	69,903	3,638	73,541
Deferred revenue	15,810		—	15,810	14,004	—	14,004
Restructuring liabilities ⁽²⁾	7,595		—	7,595	13,074	—	13,074
Other	56,297		50,172	106,469	53,194	48,776	101,970
Total	$	630,493	849,946	1,480,439	589,603	812,642	1,402,245

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(1) Insurance obligations are primarily comprised of self-insured claim liabilities.

(2) The decrease in restructuring liabilities from December 31, 2017, principally represents a reduction in the accrual for employee termination costs. The majority of the balance remaining in restructuring liabilities is expected to be paid by the end of 2019.

We retain a portion of the accident risk under vehicle liability and workers’ compensation insurance programs. Self-insurance accruals are primarily based on actuarially estimated, undiscounted cost of claims, and include claims incurred but not reported. Such liabilities are based on estimates. Historical loss development factors are utilized to project the future development of incurred losses, and these amounts are adjusted based upon actual claim experience and settlements. While we believe the amounts are adequate, there can be no assurance that changes to our estimates may not occur due to limitations inherent in the estimation process. During 2018 and 2016, we recognized charges within earnings from continuing operations of $1 million and $9 million, respectively, from the unfavorable development of estimated prior years claims where costs exceeded self-insured loss reserves for the reasons noted above. During 2017, we recognized a benefit within earnings from continuing operations of $9 million from the favorable development of estimated prior years' self-insured loss reserves for the reasons noted above.