Business Segments - Summary of Net Sales and Results of Operations and Total Assets by Reportable Segment (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020	Dec. 31, 2020
Revenues from External Customers and Long-Lived Assets [Line Items]
Net Sales	$ 347,464	$ 144,835	$ 705,660	$ 445,947
Income (loss) from Operations	15,520	(34,117)	41,239	(217,132)
Depreciation and Amortization	25,609	23,924	50,970	48,316
Capital Expenditures	10,072	8,896	20,551	22,761
Property, Plant and Equipment, net	503,086		503,086		$ 522,124
Intangible Assets	93,942		93,942		110,796
Total assets	1,148,355		1,148,355		1,109,325
North America [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net Sales	176,990	58,916	368,961	214,467
Income (loss) from Operations	7,542	(19,792)	25,383	(13,683)
Depreciation and Amortization	9,499	8,420	18,720	17,225
Capital Expenditures	3,447	5,876	8,107	12,436
Property, Plant and Equipment, net	209,016		209,016		220,145
Total assets	494,285		494,285		479,873
Europe [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net Sales	170,474	85,919	336,699	231,480
Income (loss) from Operations	7,978	(14,325)	15,856	(203,449)
Depreciation and Amortization	16,110	15,504	32,250	31,091
Capital Expenditures	6,625	$ 3,020	12,444	$ 10,325
Property, Plant and Equipment, net	294,070		294,070		301,979
Intangible Assets	93,942		93,942		110,796
Total assets	$ 654,070		$ 654,070		$ 629,452