Condensed Consolidated Balance Sheet - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018
Assets
Cash and cash equivalents	$ 111,511	$ 140,095
Trade receivables, less allowance for doubtful accounts of $5,545 and $5,369	256,666	245,032
Inventories (Note 3)	187,779	156,602
Investments, short-term (Note 17)	72,461	55,106
Prepaid income taxes	13,751	10,769
Notes receivable, insurance companies (Note 18)	3,616	3,555
Prepaid expenses and other current assets	41,850	45,464
Total current assets	687,634	656,623
Property, plant and equipment, net (Note 5)	158,047	157,940
Operating lease assets, net (Note 14)	50,935	0
Prepaid pension cost	64,987	57,568
Deferred tax assets (Note 10)	30,153	32,522
Goodwill (Note 13)	433,156	413,640
Intangible assets (Note 13)	175,263	169,515
Notes receivable, insurance companies, noncurrent (Note 18)	56,724	56,012
Insurance receivable (Note 18) and other noncurrent assets	56,957	64,192
Total assets	1,713,856	1,608,012
Liabilities
Notes payable and current portion of long-term debt, net (Note 12)	20,127	20,063
Accounts payable	73,264	78,367
Employees’ compensation	36,171	51,386
Insurance and product liability (Note 18)	23,898	48,688
Income taxes payable (Note 10)	9,815	0
Warranty reserve (Note 18) and other current liabilities	94,242	83,556
Total current liabilities	257,517	282,060
Long-term debt, net (Note 12)	378,380	341,311
Pensions and other employee benefits	168,340	166,101
Noncurrent operating lease liabilities (Note 14)	40,710	0
Deferred tax liabilities (Note 10)	10,986	7,164
Product liability (Note 18) and other noncurrent liabilities	166,776	171,857
Total liabilities	1,022,709	968,493
Commitments and contingencies (Note 18)
Equity
Preferred stock, 4 1/2% cumulative, $50 par value (Note 7)	3,569	3,569
Common stock, no par value (Note 7)	218,801	211,806
Treasury shares, at cost (Note 7)	(305,363)	(298,143)
Accumulated other comprehensive loss (Note 6)	(203,406)	(218,927)
Retained earnings	971,453	935,577
Total MSA Safety Incorporated shareholders' equity	685,054	633,882
Noncontrolling interests	6,093	5,637
Total shareholders’ equity	691,147	639,519
Total liabilities and shareholders’ equity	$ 1,713,856	$ 1,608,012