Business Segments - Summary of Net Sales and Results of Operations and Total Assets by Reportable Segment (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Oct. 01, 2017	Sep. 30, 2018	Oct. 01, 2017	Dec. 31, 2017
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales as reported	$ 347,612	$ 331,404	$ 1,123,004	$ 746,252
Income from operations	7,688	5,758	66,592	7,704
Depreciation and Amortization	23,592	24,087	71,932	45,747
Capital Expenditures	17,446	26,844	55,466	56,826
Property, plant, and equipment, net	541,686		541,686		$ 536,686
Goodwill and intangibles	474,295		474,295		508,278
Total assets	1,530,140		1,530,140		1,551,252
North America [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales as reported	197,776	180,100	606,684	541,218
Income from operations	2,901	1,413	26,362	4,260
Depreciation and Amortization	8,300	9,637	25,701	27,080
Capital Expenditures	11,197	10,680	29,790	38,540
Property, plant, and equipment, net	252,522		252,522		245,178
Total assets	534,841		534,841		519,192
Europe [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales as reported	149,836	151,304	516,320	205,034
Income from operations	4,787	4,345	40,230	3,444
Depreciation and Amortization	15,292	14,450	46,231	18,667
Capital Expenditures	6,249	$ 16,164	25,676	$ 18,286
Property, plant, and equipment, net	289,164		289,164		291,508
Goodwill and intangibles	474,295		474,295		508,278
Total assets	$ 995,299		$ 995,299		$ 1,032,060