Commitments and Contingencies - Additional Information (Detail) - USD ($)	Feb. 06, 2017	Jan. 30, 2017	Dec. 22, 2016	Aug. 01, 2012	Jul. 31, 2012	Feb. 01, 2017	Jan. 31, 2017	Oct. 31, 2016	Dec. 31, 2014
Loss Contingencies
Standby letters of credit							$ 137,900,000	$ 130,900,000
Surety bonds							414,600,000
Guarantee obligation							$ 83,200,000	$ 60,900,000
Subsidiary ownership interest percentage							33.00%
Loss contingency amount accrued for probable losses							$ 128,400,000
Payroll Taxes
Loss Contingencies
Loss contingency amount accrued for probable losses							6,800,000
Other Probable Litigation
Loss Contingencies
Loss contingency amount accrued for probable losses							6,600,000
Augustus and Karapetyan
Loss Contingencies
Loss contingency amount accrued for probable losses							115,000,000
Augustus
Loss Contingencies
Payment awarded to plaintiffs				$ 4,500,000	$ 89,700,000
Percentage of damages awarded				30.00%
Reversal of initial award									$ 89,700,000
Settlement interest			$ 41,200,000
Karapetyan
Loss Contingencies
Settlement amount		$ 5,000,000
Parental
Loss Contingencies
Total guarantees							35,000,000
Subsequent Event
Loss Contingencies
Surety bonds						$ 3,000,000
Subsequent Event | Augustus Settlement Agreement
Loss Contingencies
Settlement agreement amount	$ 110,000,000
Minimum
Loss Contingencies
Amount of reasonably possible loss							0
Maximum
Loss Contingencies
Amount of reasonably possible loss							$ 15,000,000