Long-Term Borrowings - Schedule of percentage of redemption price borrowings (Details)	12 Months Ended
	Sep. 30, 2023
5.0% Senior Notes due June 1, 2031 [Member]
Senior Notes [Abstract]
Redemption prices percentage	105.00%
5.0% Senior Notes due June 1, 2031 [Member] | Senior Notes [Member] | 2026
Senior Notes [Abstract]
Redemption prices percentage	102.50%
5.0% Senior Notes due June 1, 2031 [Member] | Senior Notes [Member] | 2027
Senior Notes [Abstract]
Redemption prices percentage	101.667%
5.0% Senior Notes due June 1, 2031 [Member] | Senior Notes [Member] | 2028
Senior Notes [Abstract]
Redemption prices percentage	100.833%
5.0% Senior Notes due June 1, 2031 [Member] | Senior Notes [Member] | 2029 and thereafter
Senior Notes [Abstract]
Redemption prices percentage	100.00%
5.875% Senior Notes due March 1, 2027 [Member] | Senior Notes [Member] | 2027
Senior Notes [Abstract]
Redemption prices percentage	101.958%
2024 | Senior Notes [Member] | 2028
Senior Notes [Abstract]
Redemption prices percentage	100.979%
2025 and thereafter | Senior Notes [Member] | 2029 and thereafter
Senior Notes [Abstract]
Redemption prices percentage	100.00%