Revenue Revenue by type (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Including Assessed Tax	$ 729,021	$ 861,653	$ 2,373,865	$ 2,757,306
Sealing systems [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Including Assessed Tax	362,228	418,754	1,161,939	1,389,288
Fuel and brake delivery systems [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Including Assessed Tax	182,950	196,821	567,831	609,449
Fluid transfer systems [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Including Assessed Tax	145,835	128,102	447,454	413,199
Anti-vibration systems [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Including Assessed Tax		80,753	78,728	259,584
Other products [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Including Assessed Tax	38,008	37,223	117,913	85,786
North America [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Including Assessed Tax	393,747	471,553	1,273,317	1,448,339
North America [Member] | Sealing systems [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Including Assessed Tax	139,318	149,074	438,844	487,757
North America [Member] | Fuel and brake delivery systems [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Including Assessed Tax	120,425	136,903	376,106	415,012
North America [Member] | Fluid transfer systems [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Including Assessed Tax	112,938	104,058	340,767	331,226
North America [Member] | Anti-vibration systems [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Including Assessed Tax		63,563	56,457	195,835
North America [Member] | Other products [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Including Assessed Tax	21,066	17,955	61,143	18,509
Europe [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Including Assessed Tax	197,409	228,332	668,225	799,857
Europe [Member] | Sealing systems [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Including Assessed Tax	130,732	142,342	430,280	502,431
Europe [Member] | Fuel and brake delivery systems [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Including Assessed Tax	29,401	31,752	95,722	107,366
Europe [Member] | Fluid transfer systems [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Including Assessed Tax	20,334	19,642	64,646	65,706
Europe [Member] | Anti-vibration systems [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Including Assessed Tax		15,328	20,807	57,077
Europe [Member] | Other products [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Including Assessed Tax	16,942	19,268	56,770	67,277
Asia Pacific [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Including Assessed Tax	112,642	136,155	358,740	433,324
Asia Pacific [Member] | Sealing systems [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Including Assessed Tax	73,576	107,940	237,369	342,314
Asia Pacific [Member] | Fuel and brake delivery systems [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Including Assessed Tax	26,775	22,044	78,275	68,373
Asia Pacific [Member] | Fluid transfer systems [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Including Assessed Tax	12,291	4,309	41,632	15,965
Asia Pacific [Member] | Anti-vibration systems [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Including Assessed Tax		1,862	1,464	6,672
Asia Pacific [Member] | Other products [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Including Assessed Tax	0	0	0	0
South America [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Including Assessed Tax	25,223	25,613	73,583	75,786
South America [Member] | Sealing systems [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Including Assessed Tax	18,602	19,398	55,446	56,786
South America [Member] | Fuel and brake delivery systems [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Including Assessed Tax	6,349	6,122	17,728	18,698
South America [Member] | Fluid transfer systems [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Including Assessed Tax	272	93	409	302
South America [Member] | Anti-vibration systems [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Including Assessed Tax		0	0	0
South America [Member] | Other products [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Including Assessed Tax	$ 0	$ 0	$ 0	$ 0