(a)Of the $159.9 total cost, $2.0 was not settled until January 2021 and was included in “Other current liabilities” on the Condensed Consolidated Balance Sheet at December 31, 2020. Purchases of treasury stock in the Condensed Consolidated Statement of Cash Flows for the three months ended December 31, 2020 included $7.4 of repurchases of common stock that were accrued at September 30, 2020 and did not settle until fiscal 2021. Purchases of treasury stock in the Condensed Consolidated Statement of Cash Flows for the three months ended December 31, 2019 included $8.7 of repurchases of common stock that were accrued at September 30, 2019 and did not settle until fiscal 2020.

The Company may, from time to time, enter into common stock structured repurchase arrangements with financial institutions using general corporate funds. Under such arrangements, the Company pays a fixed sum of cash upon execution of each agreement in exchange for the right to receive either a predetermined amount of cash or Post common stock. Upon expiration of each agreement, if the closing market price of Post’s common stock is above a predetermined price, the Company will have the initial investment returned with a premium in cash. If the closing market price of Post’s common stock is at or below the predetermined price, the Company will receive the number of shares specified in the agreement. During the year ended September 30, 2020, the Company entered into a structured share repurchase arrangement which required cash payments totaling $46.4, which were recorded as “Additional paid-in-capital” on the Condensed Consolidated Balance Sheet at September 30, 2020. This arrangement settled in November 2020, and the Company received cash payments of $47.5 which were recorded as “Additional paid-in-capital” on the Condensed Consolidated Balance Sheet at December 31, 2020 and as “Cash received from share repurchase contracts” in the Condensed Consolidated Statement of Cash Flows for the three months ended December 31, 2020.