Inventories - Schedule of Inventories (Detail) (USD $) In Thousands, unless otherwise specified	Apr. 30, 2015	Oct. 31, 2014
Inventory Disclosure [Abstract]
Raw materials and component parts	$ 96,901	$ 86,573
Work-in-process	37,638us-gaap_InventoryWorkInProcess	27,994us-gaap_InventoryWorkInProcess
Finished goods	140,058us-gaap_InventoryFinishedGoods	130,544us-gaap_InventoryFinishedGoods
Inventories - gross	274,597us-gaap_InventoryGross	245,111us-gaap_InventoryGross
Obsolescence and other reserves	(27,639)us-gaap_InventoryValuationReserves	(26,744)us-gaap_InventoryValuationReserves
LIFO reserve	(7,552)us-gaap_InventoryLIFOReserve	(7,496)us-gaap_InventoryLIFOReserve
Inventories - net	$ 239,406us-gaap_InventoryNet	$ 210,871us-gaap_InventoryNet

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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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Gross amount, as of the balance sheet date, of merchandise, goods, commodities, or supplies held for future sale or to be used in manufacturing, servicing or production process.

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Amount of difference between inventory at lower of LIFO cost or market and inventory at lower of other inventory accounting method cost or market, for example, but not limited to, FIFO or average cost.

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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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Gross amount of unprocessed materials to be used in manufacturing or production process and supplies that will be consumed.

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Amount of valuation reserve for inventory.

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

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