OTHER FINANCIAL DATA

Items reported in earnings from continuing operations during the years ended September 30 included the following:



	2015		2016	2017
Research and development expense	$	336	320	340
Depreciation expense	$	399	391	414
Rent expense	$	287	273	289

The Company leases certain facilities, transportation and office equipment, and various other items under operating lease agreements. Minimum annual rentals under noncancelable long-term leases, exclusive of maintenance, taxes, insurance and other operating costs, will approximate $171 in 2018, $125 in 2019, $81 in 2020, $49 in 2021 and $31 in 2022.

Items reported in accrued expenses included the following:



	2016		2017
Employee compensation	$	431	531
Customer advanced payments	$	433	505
Product warranty	$	106	120

Other liabilities are summarized as follows:



	2016		2017
Pension and postretirement liabilities	$	1,037	664
Deferred income taxes	210		425
Asbestos litigation	52		340
Other	430		546
Total	$	1,729	1,975

The increase in asbestos litigation primarily reflects the valves & controls acquisition, which added approximately $240 of asbestos liabilities. In addition, other long-term assets include $133 of related insurance receivables, $95 of which were acquired with valves & controls.

Other operating cash flow is comprised of the following:



	2015		2016	2017
Pension expense	$	153	95	127
Stock compensation expense	24		145	110
Deferred income taxes and other	19		45	27
Total	$	196	285	264