Summary of Significant Accounting Policies and Related Data - Inventory Valuations (Details) - USD ($) $ in Thousands	Oct. 31, 2020	Oct. 31, 2019
Inventory Disclosure [Abstract]
Percentage of FIFO and weighted average cost inventory	53.00%	54.00%
Inventory valuation adjustment	$ 37,900	$ 40,300
Inventory, Net [Abstract]
Raw materials and work in process	168,759	179,967
Finished goods and service parts	565,761	553,767
Total FIFO value	734,520	733,734
Less: adjustment to LIFO value	82,087	82,071
Total inventories, net	$ 652,433	$ 651,663

Percentage Of FIFO And Weighted Average Cost Inventory

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The amount of FIFO (first in first out) inventory present at the reporting date when inventory is also valued using different valuation methods.

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- Definition

Amount before valuation and LIFO reserves of completed merchandise or goods expected to be sold within one year or operating cycle, if longer.

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Amount by which inventory stated at last-in first-out (LIFO) is less than (in excess of) inventory stated at other inventory cost methods.

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Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer.

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Amount of valuation reserve for inventory.

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The aggregate carrying amount as of the balance sheet date of items held by the entity which are partially completed at the time of measurement and unprocessed items that will go through the production process and become part of the final product. Includes supplies used directly or indirectly in the manufacturing or production process. This element may be used when the reporting entity combines work in process and raw materials into an aggregate amount.

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