Commitments and Contingencies (Details) $ in Thousands	Jul. 31, 2020 USD ($)
Lease Obligations
2021	$ 15,660
2022	17,784
2023	16,211
2024	15,793
2025	16,152
Thereafter	78,886
Total	160,486
Royalty Obligations
2021	2,755
2022	1,999
2023	628
2024	0
2025	0
Thereafter	0
Total	5,382
Purchase Commitments
2021	67,494
2022	27,122
2023	8,306
2024	652
2025	2,421
Thereafter	0
Total	105,995
Long-term Debt, Fiscal Year Maturity [Abstract]
2021	5,000
2022	5,000
2023	5,000
2024	5,000
2025	405,000
Thereafter	0
Total	425,000
Total
2021	90,909
2022	51,905
2023	30,145
2024	21,445
2025	423,573
Thereafter	78,886
Total	$ 696,863

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 6
-URI http://asc.fasb.org/extlink&oid=121609121&loc=SL77918701-209980

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