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, 2018	Jun. 25, 2017	Jun. 30, 2018	Jun. 25, 2017	Dec. 31, 2017
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales as reported	$ 388,944	$ 240,628	$ 775,392	$ 414,848
Income from operations	31,270	(1,998)	58,904	1,946
Depreciation and Amortization	23,987	13,290	48,340	21,660
Capital Expenditures	15,346	13,159	38,020	29,982
Property, plant, and equipment, net	531,345		531,345		$ 536,686
Goodwill and intangibles	480,817		480,817		508,278
Total assets	1,529,874		1,529,874		1,551,252
North America [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales as reported	204,758	186,898	408,908	361,118
Income from operations	9,676	(1,098)	23,461	2,846
Depreciation and Amortization	8,603	9,073	17,401	17,443
Capital Expenditures	8,565	11,037	18,593	27,860
Property, plant, and equipment, net	244,813		244,813		245,178
Total assets	539,003		539,003		519,192
Europe [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales as reported	184,186	53,730	366,484	53,730
Income from operations	21,594	(900)	35,443	(900)
Depreciation and Amortization	15,384	4,217	30,939	4,217
Capital Expenditures	6,781	$ 2,122	19,427	$ 2,122
Property, plant, and equipment, net	286,532		286,532		291,508
Goodwill and intangibles	480,817		480,817		508,278
Total assets	$ 990,871		$ 990,871		$ 1,032,060