CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2017	Mar. 31, 2016
Income Statement [Abstract]
Net sales	$ 204,311	$ 162,616
Costs and expenses:
Cost of goods sold	143,160	117,455
Selling, general and administrative	34,266	25,772
Design and development	11,721	10,883
Operating income	15,164	8,506
Interest expense, net	1,410	1,514
Equity in earnings of investee	(180)	(143)
Other expense, net	190	181
Income before income taxes	13,744	6,954
Provision for income taxes	4,571	845
Net income	9,173	6,109
Net loss attributable to noncontrolling interest	(30)	(1,130)
Net income attributable to Stoneridge, Inc.	$ 9,203	$ 7,239
Earnings per share attributable to Stoneridge, Inc.:
Basic (in dollars per share)	$ 0.33	$ 0.26
Diluted (in dollars per share)	$ 0.32	$ 0.26
Weighted-average shares outstanding:
Basic (in shares)	27,916,652	27,675,938
Diluted (in shares)	28,580,197	28,155,773

Interest expense incurred and charged against earnings during the reporting period on all debt, including interest on short-term obligations and long-term debt, and amortization of debt issuance costs and debt discounts. Interest expense is net of interest income earned during the reporting period.

No definition available.