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Common Unit Repurchase Plans and Retirement - Company's Repurchase Activities (Parenthetical) (Detail) - USD ($) shares in Millions, $ in Millions	1 Months Ended
	May 31, 2023	Apr. 30, 2023	Nov. 30, 2023	Jul. 31, 2022
Capital Unit [Line Items]
Company's common units authorized for repurchase	2.6			1.1
Private Transaction
Capital Unit [Line Items]
Aggregate consideration paid for common units purchased	$ 2.3	$ 0.8
Common Stock Available for Repurchase Under Open Market Transactions
Capital Unit [Line Items]
Company's common units authorized for repurchase	2.3
Common Stock Available for Repurchase Under Open Market Transactions \| Subsequent Event
Capital Unit [Line Items]
Company's common units authorized for repurchase			2.3
Common Stock Available for Repurchase Under Privately Negotiated Transactions
Capital Unit [Line Items]
Company's common units authorized for repurchase	0.3
Common Stock Available for Repurchase Under Privately Negotiated Transactions \| Subsequent Event
Capital Unit [Line Items]
Company's common units authorized for repurchase			0.3

Equity impact of the value of stock that has been repurchased during the period and has not been retired and is not held in treasury. Some state laws may mandate the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

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