Supplemental Financial Statement Information

12 Months Ended

Dec. 31, 2020

Activity in the allowance for credit losses on accounts receivables is presented below.


	Balance at beginning of year		Cumulative effect of accounting change		Amounts charged to expense		Write-offs, recoveries and other		Balance at end of year		Accounts and other receivables		Other assets
2020	$	17,830	$	15,336	$	19,789	$	(17,611)	$	35,344	$	18,899	$	16,445
2019	$	17,443	$	—	$	16,345	$	(15,958)	$	17,830	$	17,830	$	—
2018	$	14,319	$	—	$	9,770	$	(6,646)	$	17,443	$	17,443	$	—

Other expense, net consisted of the following:


	Years Ended December 31,
	2020		2019		2018
Loss on extinguishment of debt	$	36,987	$	6,623	$	7,964
Insurance proceeds	(16,928)		—		—
Gain on sale of equity investment	(11,908)		—		—
Loss on sale of businesses	—		17,683		—
Other expense, net	$	8,151	$	24,306	$	7,964

Supplemental cash flow information is as follows:


	Years Ended December 31,
	2020		2019		2018

Purchases of property and equipment in Accounts payable	$	16,098	$	1,301	$	4,293

Selected balance sheet information is as follows:


	December 31,
	2020		2019
Other assets:
Long-term investments	$	364,212	$	238,882
Company owned life insurance policies	—		50,081

Other (net of allowance of $16,445 in 2020)	127,302		111,493
Total	$	491,514	$	400,456

Accounts payable and accrued liabilities:
Accounts payable	$	295,173	$	282,125
Customer deposits	165,774		115,889
Employee related liabilities	232,236		219,995
Other	187,433		175,681
Total	$	880,616	$	793,690

Other noncurrent liabilities:
Pension liabilities	$	235,439	$	214,742
Postretirement medical benefits	153,838		147,972
Other	47,738		37,804
Total	$	437,015	$	400,518