Condensed Consolidated Balance Sheet - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Assets
Cash and cash equivalents	$ 136,238	$ 152,195
Trade receivables, less allowance for credit loss of $5,044 and $4,860	240,137	255,082
Inventories (Note 3)	225,410	185,027
Investments, short-term (Note 16)	59,945	49,892
Prepaid income taxes	16,418	13,072
Notes receivable, insurance companies (Note 17)	3,736	3,676
Prepaid expenses and other current assets	39,666	34,419
Total current assets	721,550	693,363
Property, plant and equipment, net (Note 5)	170,184	167,038
Operating lease assets, net	47,106	51,675
Prepaid pension cost (Note 14)	80,775	75,066
Deferred tax assets (Note 10)	32,030	32,596
Goodwill (Note 13)	430,671	436,679
Intangible assets, net (Note 13)	162,907	171,326
Notes receivable, insurance companies, noncurrent (Note 17)	52,988	52,336
Insurance receivable (Note 17) and other noncurrent assets	54,724	59,614
Total assets	1,752,935	1,739,693
Liabilities
Notes payable and current portion of long-term debt (Note 12)	20,000	20,000
Accounts payable	96,513	89,120
Employees’ compensation	34,783	41,882
Insurance and product liability (Note 17)	27,876	25,870
Income taxes payable (Note 10)	22,415	6,739
Warranty reserve (Note 17) and other current liabilities	91,771	93,898
Total current liabilities	293,358	277,509
Long-term debt, net (Note 12)	314,500	328,394
Pensions and other employee benefits	185,464	186,697
Noncurrent operating lease liabilities	38,826	42,632
Deferred tax liabilities (Note 10)	10,533	9,787
Product liability (Note 17) and other noncurrent liabilities	161,600	162,101
Total liabilities	1,004,281	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)	233,786	229,127
Treasury shares, at cost (Note 7)	(329,590)	(305,159)
Accumulated other comprehensive loss (Note 6)	(225,210)	(214,003)
Retained earnings	1,058,955	1,012,266
Total MSA Safety Incorporated shareholders' equity	741,510	725,800
Noncontrolling interests	7,144	6,773
Total shareholders’ equity	748,654	732,573
Total liabilities and shareholders’ equity	1,752,935	1,739,693
Trade receivables, allowance for doubtful accounts	$ 5,044	$ 4,860
Common Stock, No Par Value	$ 0	$ 0