Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.

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The average effective interest rate during the reporting period.

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Contractual interest rate for funds borrowed, under the debt agreement.

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Amount of the required periodic payments including both interest and principal payments.

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Fixed interest rate related to the interest rate derivative.

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Amount after tax of increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss).

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Financing Arrangements (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Jan. 31, 2015	Jan. 31, 2014	Apr. 30, 2015	Oct. 31, 2014	Sep. 29, 2014	Feb. 24, 2014
Debt Instrument [Line Items]
Debt Instrument, Interest Rate During Period	2.23%	2.08%
Line of Credit Facility, Covenant, Leverage Ratio, Minimum	3.25
Line of Credit Facility, Covenant, Leverage Ratio, Maximum	3.50
Letters of Credit Outstanding, Amount	$ 2,980
Collateral Agreement	65.00%shlo_CollateralAgreement
Long-term Debt, Maturities, Repayments of Principal in Next Twelve Months	1,601
Long-term Debt, Excluding Current Maturities	271,594us-gaap_LongTermDebtNoncurrent			268,102us-gaap_LongTermDebtNoncurrent
Derivatives, Interest Rate Swap, Maturity	5 years
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Net of Tax	(1,504)	0
Lender Group Two [Member] \| Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity					360,000
Line of Credit Increase Maximum					100,000
Line of Credit Facility, Remaining Borrowing Capacity	92,220
Minimum [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	3.05%
Maximum [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	3.77%
Insurance Financing Agreement [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	1.87%
Debt Instrument, Periodic Payment	95
Short-term Debt	285			568
Long-term Debt, Maturities, Repayments of Principal in Next Twelve Months	285
Notes Payable to Banks [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	2.47%
Debt Instrument, Periodic Payment	44
Long-term Debt	1,863			1,985
Long-term Debt, Maturities, Repayments of Principal in Next Twelve Months	492
Long-term Debt, Excluding Current Maturities	1,371
Capital Lease Obligations [Member]
Debt Instrument [Line Items]
Long-term Debt	6,247			6,967
Long-term Debt, Maturities, Repayments of Principal in Next Twelve Months	824
Aggregate Revolving A [Member] \| Lender Group Two [Member] \| Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity					235,000
Aggregate Revolving B [Member] \| Lender Group Two [Member] \| Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity					125,000
Interest Rate Swap [Member] \| Lender Group Two [Member] \| Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Derivative, Notional Amount						75,000
Derivative, Fixed Interest Rate						2.74%
Derivative, Incremental Amounts						$ 25,000
London Interbank Offered Rate (LIBOR) [Member] \| Lender Group Two [Member] \| Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate	2.00%
Base Rate [Member] \| Lender Group Two [Member] \| Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate	1.00%
Scenario, Forecast [Member] \| London Interbank Offered Rate (LIBOR) [Member] \| Minimum [Member] \| Lender Group Two [Member] \| Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate			1.50%
Scenario, Forecast [Member] \| London Interbank Offered Rate (LIBOR) [Member] \| Maximum [Member] \| Lender Group Two [Member] \| Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate			2.50%
Scenario, Forecast [Member] \| Base Rate [Member] \| Minimum [Member] \| Lender Group Two [Member] \| Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate			0.25%
Scenario, Forecast [Member] \| Base Rate [Member] \| Maximum [Member] \| Lender Group Two [Member] \| Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate			1.50%