Acquisitions - Additional Information (Detail) - USD ($)			3 Months Ended
	Feb. 08, 2018	May 31, 2017	Apr. 01, 2018	Apr. 02, 2017
Business Acquisition [Line Items]
Amortization of intangibles			$ 24,418,000	$ 23,669,000
Severance, restructuring, and acquisition integration costs			20,394,000	6,600,000
Snell Advanced Media
Business Acquisition [Line Items]
Percentage of outstanding shares acquired	100.00%
Acquisition price	$ 92,900,000
Maximum earnout consideration	31,400,000
Estimated earnout consideration	17,700,000
Long-term debt	19,305,000
Receivables	19,900,000
Tax basis in acquired goodwill	$ 0
Revenue of acquiree			20,800,000
Loss before taxes of acquiree			2,800,000
Amortization of intangibles			2,200,000
Inventory adjustment			500,000
Snell Advanced Media | Acquisition-related Costs
Business Acquisition [Line Items]
Amortization of intangibles				1,300,000
Inventory adjustment				800,000
Severance, restructuring, and acquisition integration costs				$ 9,200,000
Thinklogical Holdings LLC
Business Acquisition [Line Items]
Percentage of outstanding shares acquired	100.00%
Acquisition price		$ 165,800,000
Receivables		4,355,000
Tax basis in acquired goodwill		$ 43,900,000
Revenue of acquiree			7,800,000
Loss before taxes of acquiree			2,200,000
Amortization of intangibles			$ 3,200,000
Business acquisition, goodwill, tax deductible period			15 years