Leases (Tables)

6 Months Ended

12 Months Ended

Jan. 31, 2020

Jul. 31, 2019

Leases [Abstract]

Lease, Cost [Table Text Block]

The following table summarizes lease expense recognized for the three and six months ended January 31, 2020:

		Three months ended		Six months ended
	Condensed Consolidated Statements of Income Location	January 31, 2020		January 31, 2020
Operating lease cost	Cost of goods sold	$	2,092	$	4,962
Operating lease cost	Selling, general, and administrative expenses	2,182		4,716

Lessee, Operating Lease, Liability, Maturity [Table Text Block]

The following table summarizes the maturity of the Company's lease liabilities as of January 31, 2020:

Years ended July 31,	Operating Leases
Remainder of 2020	$	8,426
2021	15,780
2022	12,797
2023	9,427
2024	5,580
Thereafter	3,268
Total lease payments	$	55,278
Less interest	(3,384		)
Present value of lease liabilities	$	51,894

Cash Flow, Supplemental Disclosures [Text Block]

Supplemental cash flow information related to the Company's operating leases for the six months ended January 31, 2020, were as follows:

	Six months ended
	January 31, 2020
Operating cash outflows from operating leases	$	8,216
Operating lease assets obtained in exchange for new operating lease liabilities	10,637

Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block]

Years ended July 31,	Operating Leases
2020	$	18,450
2021	16,132
2022	13,439
2023	10,065
2024	5,656
Thereafter	3,502
Total lease payments	$	67,244