Supplemental Balance Sheet Information (Tables)

12 Months Ended

Dec. 31, 2019

Balance Sheet Related Disclosures [Abstract]

Balance Sheet Information

The following table shows selected balance sheet information:

	December 31,
	2019		2018
Other assets:
Long-term investments	$	288,963	$	311,417
Pension asset	20,403		14,502
Contract costs	26,048		20,420
Other	65,042		50,820
Total	$	400,456	$	397,159
Accounts payable and accrued liabilities:
Accounts payable	$	282,125	$	280,936
Reserve account deposits	591,118		574,777
Customer deposits	115,889		125,574
Employee related liabilities	219,995		208,840
Other	175,681		158,000
Total	$	1,384,808	$	1,348,127
Other noncurrent liabilities:
Pension liability	$	214,742	$	276,563
Postretirement medical benefits	147,972		149,463
Other	37,804		36,262
Total	$	400,518	$	462,288