Asset Impairment and Recoveries (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended	9 Months Ended
Jul. 31, 2014	Jul. 31, 2013	Jul. 31, 2014	Jul. 31, 2013
Restructuring Cost and Reserve [Line Items]
Recovery of Impairment Charge	$ 0	$ 110	$ 4,026	$ 117
Mansfield Blanking Division [Member]
Restructuring Cost and Reserve [Line Items]
Recovery of Impairment Charge			$ 4,026	$ 117

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

No definition available.

Name:	shlo_RecoveryOfImpairmentCharge
Namespace Prefix:	shlo_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration