Schedule of Capital Expenditures by Reportable Segment (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Segment Reporting Information
Capital Expenditures	$ 179,090	$ 207,074	$ 170,490
North America
Segment Reporting Information
Capital Expenditures	95,823	91,618	72,048
Europe
Segment Reporting Information
Capital Expenditures	71,494	77,689	79,072
Specialty
Segment Reporting Information
Capital Expenditures	8,175	13,611	$ 19,370
Discontinued Operations
Segment Reporting Information
Capital Expenditures	$ 3,598	$ 24,156