Goodwill and Intangible Assets - Changes In Carrying Amount Of Goodwill (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Oct. 25, 2013	Oct. 26, 2012
Goodwill [Roll Forward]
Beginning balance	$ 1,382,358	$ 428,478
Goodwill acquired/adjusted during the year		954,327
Goodwill adjusted during the year	99,144
Translation adjustments	(983)	(447)
Ending balance	1,480,519	1,382,358
Underground Mining Machinery
Goodwill [Roll Forward]
Beginning balance	1,024,214	115,704
Goodwill acquired/adjusted during the year		908,567
Goodwill adjusted during the year	99,144
Translation adjustments	(175)	(57)
Ending balance	1,123,183	1,024,214
Surface Mining Equipment
Goodwill [Roll Forward]
Beginning balance	358,144	312,774
Goodwill acquired/adjusted during the year		45,760
Goodwill adjusted during the year	0
Translation adjustments	(808)	(390)
Ending balance	$ 357,336	$ 358,144