CONDENSED CONSOLIDATED STATEMENTS OF NET INCOME - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Income Statement [Abstract]
Sales	$ 909,145	$ 879,304	$ 1,811,196	$ 1,741,801
Cost of products sold	736,905	707,343	1,468,871	1,410,016
Gross profit	172,240	171,961	342,325	331,785
Selling, administration & engineering expenses	86,104	92,672	173,738	176,130
Amortization of intangibles	3,536	3,239	7,131	6,517
Impairment charges	0	0	4,270	0
Restructuring charges	8,323	12,206	18,311	23,038
Other operating loss	0	0	0	155
Operating profit	74,277	63,844	138,875	125,945
Interest expense, net of interest income	(10,293)	(9,995)	(21,532)	(19,747)
Equity in earnings of affiliates	1,400	2,667	3,075	4,437
Loss on refinancing and extinguishment of debt	(1,020)	0	(1,020)	0
Other expense, net	(2,184)	(255)	(2,824)	(8,071)
Income before income taxes	62,180	56,261	116,574	102,564
Income tax expense	20,530	16,021	32,420	30,787
Net income	41,650	40,240	84,154	71,777
Net income attributable to noncontrolling interests	(1,194)	(51)	(1,992)	(265)
Net income attributable to Cooper-Standard Holdings Inc.	$ 40,456	$ 40,189	$ 82,162	$ 71,512
Earnings per share
Basic (usd per share)	$ 2.26	$ 2.33	$ 4.61	$ 4.12
Diluted (usd per share)	$ 2.14	$ 2.16	$ 4.34	$ 3.83