Condensed Consolidated Balance Sheet - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Current assets
Cash and cash equivalents	$ 112,185	$ 113,759
Trade receivables, less allowance for doubtful accounts of $6,181 and $5,610	226,780	209,514
Inventories (Note 3)	160,280	103,066
Prepaid income taxes	20,618	16,378
Notes receivable, insurance companies (Note 18)	19,295	4,180
Prepaid expenses and other current assets	37,381	25,909
Total current assets	576,539	472,806
Property, plant and equipment, net (Note 5)	152,475	148,678
Prepaid pension cost	58,954	62,916
Deferred tax assets (Note 10)	36,094	23,240
Goodwill (Note 13)	417,949	333,276
Intangible assets (Note 13)	185,356	77,015
Notes receivable, insurance companies, noncurrent (Note 18)	59,151	63,147
Insurance receivable (Note 18) and other noncurrent assets	108,699	172,842
Total assets	1,595,217	1,353,920
Current liabilities
Notes payable and current portion of long-term debt, net (Note 12)	26,667	26,666
Accounts payable	65,589	62,734
Employees’ compensation	36,848	39,880
Insurance and product liability (Note 18)	72,739	19,438
Income taxes payable (Note 10)	0	3,889
Other current liabilities	71,245	68,803
Total current liabilities	273,088	221,410
Long-term debt, net (Note 12)	445,717	363,836
Pensions and other employee benefits	172,851	157,927
Deferred tax liabilities (Note 10)	37,347	34,044
Other noncurrent liabilities	45,007	15,491
Total liabilities	974,010	792,708
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)	189,145	172,681
Treasury shares, at cost (Note 7)	(299,583)	(289,254)
Accumulated other comprehensive loss (Note 6)	(191,703)	(230,246)
Retained earnings	915,311	901,415
Total MSA Safety Incorporated shareholders' equity	616,739	558,165
Noncontrolling interests	4,468	3,047
Total shareholders’ equity	621,207	561,212
Total liabilities and shareholders’ equity	$ 1,595,217	$ 1,353,920