Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Current Assets:
Cash and cash equivalents	$ 145,669	$ 176,143
Receivables, net	291,635	249,602
Inventories (Note 6)	177,787	170,424
Other current assets	24,035	23,404
Total current assets	639,126	619,573
Property, Plant and Equipment:
Cost	1,469,307	1,446,098
Less: accumulated depreciation	(910,590)	(890,635)
Property, plant and equipment, net	558,717	555,463
Goodwill, net	11,366	11,265
Other intangible assets, net	17,272	17,957
Long-term investments (Note 3)	20,787	20,910
Other non-current assets (Note 16)	12,689	13,224
Total assets	1,259,957	1,238,392
Current Liabilities:
Current maturities of long-term debt (Note 12)	15,277	18,806
Accounts payable	129,963	128,605
Accrued liabilities	76,109	95,833
Total current liabilities	221,349	243,244
Deferred income taxes	11,828	9,455
Long-term debt, less current maturities (Notes 12 and 16)	312,573	312,548
Other non-current liabilities	$ 117,964	$ 114,761
Commitments and Contingencies (Note 7)
Equity:
Common stock, $1 par value; authorized 60,000,000 shares; Issued 25,733,795 shares in 2016 and 25,709,391 shares in 2015	$ 25,734	$ 25,709
Additional paid-in capital	146,874	144,601
Accumulated other comprehensive loss (Note 10)	(111,966)	(125,088)
Retained earnings	603,625	580,208
Less: Common treasury stock, at cost,3,444,231 shares in 2016 and 3,428,541 shares in 2015	(69,438)	(68,446)
Total Stepan Company stockholders’ equity	594,829	556,984
Noncontrolling interests (Note 2)	1,414	1,400
Total equity	596,243	558,384
Total liabilities and equity	$ 1,259,957	$ 1,238,392