Long-Term Debt (Tables)

12 Months Ended

Jul. 31, 2018

Debt Disclosure [Abstract]

Schedule of long-term debt

Long-term debt consists of the following (in millions):

	July 31,
	2018			2017
5.48% Unsecured senior notes, interest payable semi-annually, principal payment of $25.0 million due September 28, 2017	$	—		$	25.0
5.48% Unsecured senior notes, interest payable semi-annually, principal payment of $25.0 million due November 30, 2017	—			25.0
3.72% Unsecured senior notes, interest payable semi-annually, principal payment of $125.0 million due March 27, 2024	125.0			125.0
2.93% Unsecured senior notes, interest payable semi-annually, principal payment of $25.0 million due April 16, 2025	25.0			25.0
3.18% Unsecured senior notes, interest payable semi-annually, principal payment of $125.0 million due June 17, 2030	125.0			125.0
Variable rate committed, unsecured $500.0 million revolving credit facility due July 21, 2022 and an interest rate of 1.62% as of July 31, 2018	167.4			190.0
Variable rate committed, unsecured $50.0 million term loan due July 21, 2020 and an interest rate of 3.33% as of July 31, 2018	50.0			50.0
Variable rate guaranteed senior note, interest payable quarterly, principal payment of ¥1.65 billion due May 19, 2019 and an interest rate of 0.41% as of July 31, 2018	14.8			15.0
Variable rate guaranteed senior note, interest payable quarterly, principal payment of ¥1.00 billion due July 15, 2021 and an interest rate of 0.27% as of July 31, 2018	9.0			9.0
Capitalized lease obligations, with various maturity dates and interest rates	0.6			1.1
Debt issuance costs	(1.9		)	(2.2		)
Subtotal	514.9			587.9
Less: current maturities	15.3			50.6
Total long-term debt	$	499.6		$	537.3

Schedule of maturities of long-term debt

The estimated future maturities of the Company's long-term debt as of July 31, 2018, are as follows (in millions):

Year Ended July 31,	Amount
2019	$	15.3
2020	49.6
2021	8.6
2022	167.0
2023	—
Thereafter	274.4
Total estimated future maturities	$	514.9