Segment Reporting Information on Company's Business Segments (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018	Dec. 31, 2018
Segment Reporting Information [Line Items]
Sales	$ 729,021	$ 861,653	$ 2,373,865	$ 2,757,306
Intersegment sales	0	0	0	0
Adjusted EBITDA	43,526	69,571	167,991	300,115
Segment assets	2,645,447		2,645,447		$ 2,623,103
Reportable Geographical Components [Member] | North America [Member]
Segment Reporting Information [Line Items]
Sales	393,747	471,553	1,273,317	1,448,339
Intersegment sales	7,488	3,437	14,174	11,056
Adjusted EBITDA	62,603	71,589	175,034	241,037
Segment assets	1,225,898		1,225,898		1,174,604
Reportable Geographical Components [Member] | Europe [Member]
Segment Reporting Information [Line Items]
Sales	197,409	228,332	668,225	799,857
Intersegment sales	3,053	4,363	9,259	11,780
Adjusted EBITDA	6,750	934	22,273	40,194
Segment assets	568,246		568,246		541,495
Reportable Geographical Components [Member] | Asia Pacific [Member]
Segment Reporting Information [Line Items]
Sales	112,642	136,155	358,740	433,324
Intersegment sales	894	1,307	2,512	4,301
Adjusted EBITDA	(22,921)	(1,253)	(23,740)	23,541
Segment assets	612,228		612,228		616,093
Reportable Geographical Components [Member] | South America [Member]
Segment Reporting Information [Line Items]
Sales	25,223	25,613	73,583	75,786
Intersegment sales	18	17	71	72
Adjusted EBITDA	(2,906)	(1,699)	(5,576)	(4,657)
Segment assets	62,660		62,660		54,629
Eliminations and other [Member]
Segment Reporting Information [Line Items]
Sales	0	0	0	0
Intersegment sales	(11,453)	(9,124)	(26,016)	(27,209)
Adjusted EBITDA	0	$ 0	0	$ 0
Segment assets	$ 176,415		$ 176,415		$ 236,282