Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Current Assets:
Cash and cash equivalents	$ 298,894	$ 225,743
Receivables, less allowances of $10,116 in 2017 and $9,755 in 2016	293,541	263,408
Inventories (Note 5)	172,748	173,663
Other current assets	23,553	22,727
Total current assets	788,736	685,541
Property, Plant and Equipment:
Land	17,136	15,779
Buildings and improvements	203,879	184,773
Machinery and equipment	1,324,415	1,241,838
Construction in progress	57,856	71,088
Property, Plant and Equipment, Gross	1,603,286	1,513,478
Less: accumulated depreciation	(1,004,843)	(930,764)
Property, plant and equipment, net	598,443	582,714
Goodwill, net (Note 4)	25,118	25,308
Other intangible assets, net (Note 4)	18,538	22,339
Long-term investments (Note 2)	28,270	24,055
Other non-current assets	11,756	13,933
Total Assets	1,470,861	1,353,890
Current Liabilities:
Current maturities of long-term debt (Note 6)	22,500	28,154
Accounts payable	204,977	158,316
Accrued liabilities (Note 14)	92,776	110,795
Total current liabilities	320,253	297,265
Deferred income taxes (Note 9)	10,962	12,497
Long-term debt, less current maturities (Note 6)	268,299	288,859
Other non-current liabilities (Note 15)	130,433	119,353
Commitments and Contingencies (Note 16)
Equity (Note 10):
Common stock, $1 par value; authorized 60,000,000 shares; issued 26,070,787 shares in 2017 and 25,894,782 shares in 2016	26,071	25,895
Additional paid-in capital	170,408	158,042
Accumulated other comprehensive loss (Note 19)	(99,563)	(127,465)
Retained earnings	721,741	649,070
Less: Common treasury stock, at cost, 3,561,509 shares in 2017 and 3,470,084 shares in 2016	(78,561)	(70,938)
Total Stepan Company stockholders’ equity	740,096	634,604
Noncontrolling interests	818	1,312
Total equity	740,914	635,916
Total Liabilities and Equity	$ 1,470,861	$ 1,353,890