Consolidated Statements of Income (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
Oct. 31, 2014	Oct. 31, 2013
Income Statement [Abstract]
Revenue, Net	$ 878,744us-gaap_SalesRevenueNet	$ 700,186us-gaap_SalesRevenueNet
Cost of sales	799,143us-gaap_CostOfGoodsSold	633,034us-gaap_CostOfGoodsSold
Gross profit	79,601us-gaap_GrossProfit	67,152us-gaap_GrossProfit
Selling, general and administrative expenses	50,207	31,181
Amortization of intangible assets	2,255	1,349
Asset impairment (recovery)	(4,026)shlo_RecoveryOfImpairmentCharge	18shlo_RecoveryOfImpairmentCharge
Operating income	31,165us-gaap_OperatingIncomeLoss	34,604us-gaap_OperatingIncomeLoss
Interest expense	4,503us-gaap_InterestExpense	2,600us-gaap_InterestExpense
Interest income	(25)	(32)
Gain on bargain purchase	0	(228)
Other (expense), net	(504)us-gaap_OtherNonoperatingIncomeExpense	89us-gaap_OtherNonoperatingIncomeExpense
Income before income taxes	27,191	32,175
Provision for income taxes	4,747us-gaap_IncomeTaxExpenseBenefit	10,605us-gaap_IncomeTaxExpenseBenefit
Net income	$ 22,444us-gaap_NetIncomeLoss	$ 21,570us-gaap_NetIncomeLoss
Earnings per share:
Basic earnings per share	$ 1.31us-gaap_EarningsPerShareBasic	$ 1.27us-gaap_EarningsPerShareBasic
Basic weighted average number of common shares	17,145	16,982
Diluted earnings per share	$ 1.30us-gaap_EarningsPerShareDiluted	$ 1.27us-gaap_EarningsPerShareDiluted
Diluted weighted average number of common shares	17,215	17,030

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Recovery of Impairment Charge - amount expensed in prior periods that has been recovered

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In a business combination in which the amount of net identifiable assets acquired and liabilities assumed exceeds the aggregate consideration transferred or to be transferred (as defined), this element represents the amount of gain recognized by the entity.

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Total costs related to goods produced and sold during the reporting period.

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Amount of the cost of borrowed funds accounted for as interest expense.

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Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts.

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