Segment Information (Tables)

3 Months Ended

Jan. 30, 2015

Segment Reporting [Abstract]

Segment reporting information

In thousands	Underground		Surface		Corporate			Eliminations			Total
Quarter ended January 30, 2015
Net sales	$	384,663	$	347,036	$	—		$	(27,826	)	$	703,873
Operating income (loss)	$	38,197	$	29,060	$	(12,095	)	$	(6,456	)	$	48,706
Interest income	—		—		2,940			—			2,940
Interest expense	—		—		(15,897		)	—			(15,897		)
Income (loss) before income taxes	$	38,197	$	29,060	$	(25,052	)	$	(6,456	)	$	35,749
Depreciation and amortization	$	19,188	$	13,789	$	702		$	—		$	33,679
Capital expenditures	$	9,061	$	13,104	$	93		$	—		$	22,258
Quarter ended January 31, 2014
Net sales	$	477,463	$	400,696	$	—		$	(38,847	)	$	839,312
Operating income (loss)	$	62,606	$	46,152	$	(14,222	)	$	(9,291	)	$	85,245
Interest income	—		—		2,583			—			2,583
Interest expense	—		—		(16,403		)	—			(16,403		)
Income (loss) before income taxes	$	62,606	$	46,152	$	(28,042	)	$	(9,291	)	$	71,425
Depreciation and amortization	$	18,734	$	13,292	$	740		$	—		$	32,766
Capital expenditures	$	9,856	$	13,255	$	3,544		$	—		$	26,655