Fair Value of Financial Instruments - Financial Assets and Liabilities Measured at Fair Value on Recurring Basis (Details)	Apr. 30, 2019 USD ($)	Oct. 31, 2018 USD ($) Security
Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash and cash equivalents	$ 53,700,000	$ 39,100,000
Insurance deposits	800,000	600,000
Assets held in funded deferred compensation plan	2,500,000	2,700,000
Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Credit facility	961,000,000	949,000,000
Interest rate swaps liabilities	(8,000,000)
Interest rate swaps assets		1,300,000
Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments in auction rate securities	5,000,000	$ 5,000,000
Auction Rate Securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Number of auction rate securities | Security		1
Investments in auction rate securities	5,000,000	$ 5,000,000
Unrealized gain (loss) on auction rate securities	$ 0	$ 0