Corporate Investments and Funds Held for Clients | (5) Corporate Investments and Funds Held for Clients Corporate investments and funds held for clients consisted of the following: June 30, 2023 Type of Issue Amortized cost Gross unrealized gains Gross unrealized losses Fair value Cash and cash equivalents $ 288,767 $ — $ — $ 288,767 Funds held for clients' cash and cash equivalents 2,132,545 — — 2,132,545 Available-for-sale securities: Commercial paper 110,003 12 (138) 109,877 Corporate bonds 112,262 18 (1,867) 110,413 Asset-backed securities 30,061 10 (337) 29,734 Certificates of deposit 68,247 5 (93) 68,159 U.S. treasury securities 158,839 — (2,839) 156,000 U.S government agency securities 8,000 — (513) 7,487 Other 7,329 — (129) 7,200 Total available-for-sale securities 494,741 45 (5,916) 488,870 Total investments $ 2,916,053 $ 45 $ (5,916) $ 2,910,182 September 30, 2023 Type of Issue Amortized cost Gross unrealized gains Gross unrealized losses Fair value Cash and cash equivalents $ 305,031 $ — $ — $ 305,031 Funds held for clients' cash and cash equivalents 2,046,617 — — 2,046,617 Available-for-sale securities: Commercial paper 70,578 3 (59) 70,522 Corporate bonds 149,159 2 (2,123) 147,038 Asset-backed securities 36,051 7 (314) 35,744 Certificates of deposit 54,168 10 (35) 54,143 U.S. treasury securities 159,239 — (2,685) 156,554 U.S government agency securities 8,000 — (447) 7,553 Other 10,289 — (107) 10,182 Total available-for-sale securities 487,484 22 (5,770) 481,736 Total investments $ 2,839,132 $ 22 $ (5,770) $ 2,833,384 All available-for-sale securities were included in Funds held for clients at June 30, 2023 and September 30, 2023. Cash and cash equivalents and funds held for clients’ cash and cash equivalents included demand deposit accounts and money market funds at June 30, 2023 and September 30, 2023. Classification of investments on the Unaudited Consolidated Balance Sheets was as follows: June 30, September 30, 2023 Cash and cash equivalents $ 288,767 $ 305,031 Funds held for clients 2,621,415 2,528,353 Total investments $ 2,910,182 $ 2,833,384 Available-for-sale securities that had been in an unrealized loss position for a period of less and greater than 12 months as of June 30, 2023 and September 30, 2023 had fair market value as follows: June 30, 2023 Securities in an unrealized loss Securities in an unrealized loss Total Gross unrealized losses Fair value Gross unrealized losses Fair value Gross unrealized losses Fair value Commercial paper $ (138) $ 96,665 $ — $ — $ (138) $ 96,665 Corporate bonds (695) 71,089 (1,172) 32,807 (1,867) 103,896 Asset-backed securities (233) 23,313 (104) 2,038 (337) 25,351 Certificates of deposit (93) 52,254 — — (93) 52,254 U.S. treasury securities (1,075) 95,388 (1,764) 60,612 (2,839) 156,000 U.S. government agency securities — — (513) 7,487 (513) 7,487 Other (71) 5,326 (58) 1,874 (129) 7,200 Total available-for-sale securities $ (2,305) $ 344,035 $ (3,611) $ 104,818 $ (5,916) $ 448,853 September 30, 2023 Securities in an unrealized loss Securities in an unrealized loss Total Gross unrealized losses Fair value Gross unrealized losses Fair value Gross unrealized losses Fair value Commercial paper $ (59) $ 63,818 $ — $ — $ (59) $ 63,818 Corporate bonds (957) 107,622 (1,166) 32,451 (2,123) 140,073 Asset-backed securities (41) 20,986 (273) 10,459 (314) 31,445 Certificates of deposit (35) 37,913 — — (35) 37,913 U.S. treasury securities (1,023) 86,842 (1,662) 67,213 (2,685) 154,055 U.S. government agency securities — — (447) 7,553 (447) 7,553 Other (26) 2,768 (81) 3,564 (107) 6,332 Total available-for-sale securities $ (2,141) $ 319,949 $ (3,629) $ 121,240 $ (5,770) $ 441,189 The Company regularly reviews the composition of its portfolio to determine the existence of credit impairment. The Company did not recognize any credit impairment losses during the three months ended September 30, 2022 or 2023. All securities in the Company’s portfolio held an A-1 rating or better as of September 30, 2023. The Company did not make any material reclassification adjustments out of accumulated other comprehensive income for realized gains and losses on the sale of available-for-sale securities during the three months ended September 30, 2022 or 2023. There were no realized gains or losses on the sale of available-for-sale securities for the three months ended September 30, 2022 or 2023. Expected maturities of available-for-sale securities at September 30, 2023 were as follows: Amortized cost Fair value One year or less $ 207,177 $ 205,662 One year to two years 171,288 168,364 Two years to three years 88,935 87,761 Three years to five years 20,084 19,949 Total available-for-sale securities $ 487,484 $ 481,736 |