Leases - Schedule of Future Minimum Lease Payments Under Operating and Finance Lease with Noncancelable Lease Terms (Detail) $ in Thousands	Jun. 30, 2019 USD ($)
Operating Leases Maturities
Operating Leases, Remainder of 2019	$ 43,357
Operating Leases, 2020	79,796
Operating Leases, 2021	65,560
Operating Leases, 2022	53,790
Operating Leases, 2023	39,686
Operating Leases, 2024	27,952
Operating Leases, Thereafter	58,704
Operating Leases, Total lease payments	368,845
Operating Leases, Interest	(43,445)
Operating Leases, Present value of lease liabilities	325,400
Finance Leases Maturities
Finance Leases, Remainder of 2019	877
Finance Leases, 2020	1,464
Finance Leases, 2021	1,155
Finance Leases, 2022	1,059
Finance Leases, 2023	443
Finance Leases, 2024	0
Finance Leases, Thereafter	0
Finance Leases, Total lease payments	4,998
Finance Leases, Interest	(326)
Finance Leases, Present value of lease liabilities	4,672
Operating and Finance Leases Maturities
Total, Remainder of 2019	44,234
Total, 2020	81,260
Total, 2021	66,715
Total, 2022	54,849
Total, 2023	40,129
Total, 2024	27,952
Total, Thereafter	58,704
Total lease payments	373,843
Total, Interest	(43,771)
Total, Present value of lease liabilities	$ 330,072