Business Segments (Tables)

12 Months Ended

Dec. 31, 2017

Segment Reporting [Abstract]

Information on Company's Business Segments

Certain financial information on the Company’s reportable segments was as follows:

	Year Ended December 31,
	2017			2016			2015
Sales to external customers
North America	$	1,882,670		$	1,816,486		$	1,778,621
Europe	1,043,738			1,031,538			1,033,635
Asia Pacific	585,161			540,684			435,127
South America	106,557			84,183			95,421
Consolidated	$	3,618,126		$	3,472,891		$	3,342,804
Intersegment sales
North America	$	13,760		$	13,325		$	14,058
Europe	15,985			13,524			11,693
Asia Pacific	5,256			4,770			6,166
South America	49			31			49
Eliminations and other	(35,050		)	(31,650		)	(31,966		)
Consolidated	$	—		$	—		$	—
Segment profit (loss)
North America	$	236,165		$	219,744		$	215,487
Europe	(18,872		)	(15,989		)	(22,435		)
Asia Pacific	9,943			9,206			4,063
South America	(14,136		)	(18,201		)	(44,127		)
Income before income taxes	$	213,100		$	194,760		$	152,988
Net interest expense included in segment profit (loss)
North America	$	16,824		$	13,013		$	12,262
Europe	12,287			13,871			13,648
Asia Pacific	11,884			13,720			10,227
South America	1,117			785			2,194
Consolidated	$	42,112		$	41,389		$	38,331
Depreciation and amortization expense
North America	$	66,734		$	57,546		$	54,160
Europe	40,899			37,992			36,845
Asia Pacific	27,085			24,635			18,856
South America	3,370			2,487			4,566
Consolidated	$	138,088		$	122,660		$	114,427

	Year Ended December 31,
	2017		2016		2015
Capital expenditures
North America	$	67,333	$	61,321	$	64,933
Europe	45,881		57,054		46,766
Asia Pacific	51,182		33,818		43,276
South America	4,919		2,064		2,783
Corporate	17,480		10,111		8,509
Consolidated	$	186,795	$	164,368	$	166,267
			December 31,
			2017		2016
Segment assets
North America			$	1,049,218	$	985,809
Europe			644,586		582,385
Asia Pacific			686,329		611,849
South America			54,846		46,125
Eliminations and other			290,669		265,534
Consolidated			$	2,725,648	$	2,491,702

Revenue from External Customers by Products and Services [Table Text Block]

Product line information for revenues was as follows:

	Year Ended December 31,
	2017		2016		2015
Revenues
Sealing systems	$	1,908,852	$	1,816,924	$	1,783,068
Fuel and brake delivery systems	757,198		725,689		675,493
Fluid transfer systems	521,553		494,940		458,699
Anti-vibration systems	326,684		301,199		278,891
Other	103,839		134,139		146,653
Consolidated	$	3,618,126	$	3,472,891	$	3,342,804

Geographic Information for Revenues

Geographic information for revenues, based on country of origin, and property, plant and equipment, net, is as follows:

	Year Ended December 31,
	2017		2016		2015
Revenues
United States	$	872,025	$	879,579	$	901,089
Mexico	723,423		638,750		585,558
China	494,727		455,999		355,141
France	299,257		288,905		285,384
Canada	287,222		298,157		291,974
Poland	253,109		239,941		246,997
Germany	192,959		218,363		226,566
Other	495,404		453,197		450,095
Consolidated	$	3,618,126	$	3,472,891	$	3,342,804
			December 31,
			2017		2016
Property, plant and equipment, net
United States			$	193,132	$	170,671
Mexico			114,762		108,585
China			199,271		163,171
France			72,285		61,226
Canada			43,347		49,509
Poland			73,282		67,686
Germany			86,297		85,026
Other			169,802		126,395
Consolidated			$	952,178	$	832,269

Sales to Customers Contributing Ten Percent or More of Consolidated Sales

Sales to customers of the Company which contributed 10% or more of its total consolidated sales and the related percentage of consolidated Company sales for 2017, 2016 and 2015 are as follows:

	2017 Percentage of Net Sales		2016 Percentage of Net Sales		2015 Percentage of Net Sales
Customer
Ford	28	%	27	%	26	%
General Motors	19	%	17	%	16	%
Fiat Chrysler Automobiles	11	%	12	%	12	%