Debt - Margin for Borrowings under Revolving Credit Facility (Details) (Details)	Apr. 30, 2021
I
Debt Instrument [Line Items]
Consolidated Total Leverage Ratio	3.00
Commitment Fee	0.30%
I | Eurodollar Rate Loans
Debt Instrument [Line Items]
Basis spread (as a percent)	3.00%
I | Commitment Fee
Debt Instrument [Line Items]
Basis spread (as a percent)	2.00%
I | Letter of Credit
Debt Instrument [Line Items]
Letter of Credit Fee	3.00%
II
Debt Instrument [Line Items]
Commitment Fee	0.25%
II | Eurodollar Rate Loans
Debt Instrument [Line Items]
Basis spread (as a percent)	2.75%
II | Commitment Fee
Debt Instrument [Line Items]
Basis spread (as a percent)	1.75%
II | Letter of Credit
Debt Instrument [Line Items]
Letter of Credit Fee	2.75%
II | Maximum
Debt Instrument [Line Items]
Consolidated Total Leverage Ratio	3.00
II | Minimum
Debt Instrument [Line Items]
Consolidated Total Leverage Ratio	2.00
III
Debt Instrument [Line Items]
Commitment Fee	0.20%
III | Eurodollar Rate Loans
Debt Instrument [Line Items]
Basis spread (as a percent)	2.50%
III | Commitment Fee
Debt Instrument [Line Items]
Basis spread (as a percent)	1.50%
III | Letter of Credit
Debt Instrument [Line Items]
Letter of Credit Fee	2.50%
III | Maximum
Debt Instrument [Line Items]
Consolidated Total Leverage Ratio	2.00
III | Minimum
Debt Instrument [Line Items]
Consolidated Total Leverage Ratio	1.50
IV
Debt Instrument [Line Items]
Consolidated Total Leverage Ratio	1.50
Commitment Fee	0.20%
IV | Eurodollar Rate Loans
Debt Instrument [Line Items]
Basis spread (as a percent)	2.25%
IV | Commitment Fee
Debt Instrument [Line Items]
Basis spread (as a percent)	1.25%
IV | Letter of Credit
Debt Instrument [Line Items]
Letter of Credit Fee	2.25%