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Discontinued Operations - Operating Results (Detail) (LeTourneau Technologies, Inc. [Member], USD $) In Thousands, unless otherwise specified	12 Months Ended
	Oct. 26, 2012	Oct. 28, 2011
LeTourneau Technologies, Inc. [Member]
Discontinued Operations [Line Items]
Net sales		$ 102,102
Loss before income taxes	(6,120)	(32,843)
Income tax benefit	1,060	11,497
Loss from discontinued operations, net of tax	$ (5,060)	$ (21,346)

- Definition

Pretax income (loss) from operations of a business component (exclusive of any gain (loss) on disposal, or provision therefore) during the reporting period, until its disposal.

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- Definition

After tax income (loss) from operations of a business component (exclusive of any gain (loss) on disposal, or provision therefore) during the reporting period, until its disposal.

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- Definition

Income tax expense or benefit attributable to Income or Loss from discontinued operations during the phase-out period.

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