Income Taxes - Additional Information (Detail) - USD ($) $ in Thousands		3 Months Ended	5 Months Ended	8 Months Ended	12 Months Ended
	Dec. 31, 2017	May 05, 2018	Feb. 10, 2018	May 05, 2018	Aug. 25, 2018
Operating Loss Carryforwards [Line Items]
Effective tax rate		27.20%		14.80%
Tax benefit resulting from tax reforms				$ 103,000
Tax benefit resulting from stock option accounting				$ 34,700
U.S. corporate income tax rate	35.00%			21.00%
Tax cuts and jobs act of 2017, incomplete accounting, provisional income tax expense			$ 136,700
One-time mandatory transition tax			$ 24,800	$ 25,430
Tax expense due to remeasurement of net U.S. federal deferred tax liability				$ 600
Scenario Forecast [Member]
Operating Loss Carryforwards [Line Items]
U.S. corporate income tax rate					25.90%
Scenario, Plan [Member] | Minimum [Member]
Operating Loss Carryforwards [Line Items]
U.S. corporate income tax rate					21.00%