Condensed Consolidated Balance Sheet - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Assets
Cash and cash equivalents	$ 132,830	$ 152,195
Trade receivables, less allowance for credit loss of $5,068 and $4,860	229,293	255,082
Inventories (Note 3)	252,856	185,027
Investments, short-term (Note 16)	69,940	49,892
Prepaid income taxes	18,030	13,072
Notes receivable, insurance companies (Note 17)	3,766	3,676
Prepaid expenses and other current assets	37,374	34,419
Total current assets	744,089	693,363
Property, plant and equipment, net (Note 5)	178,064	167,038
Operating lease assets, net	52,331	51,675
Prepaid pension cost (Note 14)	83,447	75,066
Deferred tax assets (Note 10)	33,490	32,596
Goodwill (Note 13)	436,273	436,679
Intangible assets, net (Note 13)	161,765	171,326
Notes receivable, insurance companies, noncurrent (Note 17)	48,214	52,336
Insurance receivable (Note 17) and other noncurrent assets	54,992	59,614
Total assets	1,792,665	1,739,693
Liabilities
Notes payable and current portion of long-term debt (Note 12)	20,000	20,000
Accounts payable	79,774	89,120
Employees’ compensation	41,213	41,882
Insurance and product liability (Note 17)	26,576	25,870
Income taxes payable (Note 10)	8,822	6,739
Warranty reserve (Note 17) and other current liabilities	108,273	93,898
Total current liabilities	284,658	277,509
Long-term debt, net (Note 12)	321,694	328,394
Pensions and other employee benefits	190,073	186,697
Noncurrent operating lease liabilities	43,639	42,632
Deferred tax liabilities (Note 10)	11,425	9,787
Product liability (Note 17) and other noncurrent liabilities	161,073	162,101
Total liabilities	1,012,562	1,007,120
Equity
Preferred stock, 4.5% cumulative, $50 par value (Note 7)	3,569	3,569
Common stock, no par value (Note 7)	234,703	229,127
Treasury shares, at cost (Note 7)	(329,025)	(305,159)
Accumulated other comprehensive loss (Note 6)	(207,000)	(214,003)
Retained earnings	1,070,218	1,012,266
Total MSA Safety Incorporated shareholders' equity	772,465	725,800
Noncontrolling interests	7,638	6,773
Total shareholders’ equity	780,103	732,573
Total liabilities and shareholders’ equity	1,792,665	1,739,693
Trade receivables, allowance for doubtful accounts	$ 5,068	$ 4,860
Common Stock, No Par Value	$ 0	$ 0