Leases - Additional Information (Detail) - USD ($) $ in Thousands	9 Months Ended
	Sep. 29, 2019	Dec. 31, 2018
Leases [Abstract]
Short-term lease description	Allows the Company to not recognize leases with a contractual term of less than 12 months on its condensed consolidated balance sheets.
Right of use assets for operating leases	$ 115,981	$ 88,000
Lease liabilities for operating leases	$ 116,813	$ 88,200
Lessee, operating lease commitment, not yet commenced, lease term	5 years
Lessee, operating lease commitment, not yet commenced, expense	$ 300