Acquisitions - Additional Information (Detail) $ in Thousands, € in Millions			3 Months Ended	6 Months Ended	11 Months Ended
	Jan. 31, 2015 USD ($)	Jan. 31, 2015 EUR (€)	Apr. 01, 2016 USD ($)	Apr. 01, 2016 USD ($)	Oct. 02, 2015 USD ($)
Business Acquisition [Line Items]
Goodwill			$ 1,042,283	$ 1,042,283	$ 1,041,991
Integration expenses			$ 3,600	$ 7,700
Belgium-based | Barco N V
Business Acquisition [Line Items]
Business acquired	$ 171,000	€ 150
Foreign currency exchange loss					(2,900)
Business acquisition working capital adjustment	15,000
Acquisition-related costs					$ 3,400
Estimated fair value adjustment for inventory, will be recognized as cost of goods sold	$ 7,000
Fair value adjustment for inventory, cost of goods sold period, months	8 months	8 months
Goodwill	$ 48,537