CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Apr. 29, 2018	Apr. 30, 2017	Apr. 29, 2018	Apr. 30, 2017
Income Statement [Abstract]
Sales	$ 457,069	$ 420,464	$ 878,418	$ 812,167
Cost of sales	352,986	319,625	682,418	627,377
Gross profit	104,083	100,839	196,000	184,790
Engineering, selling, general and administrative expenses	74,406	75,124	149,192	144,164
Intangible asset amortization	2,413	2,405	4,825	4,810
Restructuring and impairment charges	488	315	1,582	2,578
Strategic development and acquisition related costs	1,134	124	1,861	481
Loss on disposition of business	6,686	0	6,686	0
Gain on insurance recovery	0	(9,601)	0	(9,601)
Income from operations	18,956	32,472	31,854	42,358
Interest income	37	138	70	144
Interest expense	(4,849)	(7,479)	(12,341)	(14,365)
Foreign exchange (loss) gain	(305)	127	166	50
Loss on extinguishment of debt	(21,875)	0	(21,875)	0
Other income, net	270	322	727	708
Income (loss) before income taxes	(7,766)	25,580	(1,399)	28,895
(Benefit) provision for income taxes	(2,082)	8,606	(964)	9,882
Net income (loss)	(5,684)	16,974	(435)	19,013
Net income allocated to participating securities	0	(115)	0	(131)
Net income (loss) applicable to common shares	$ (5,684)	$ 16,859	$ (435)	$ 18,882
Income (loss) per common share:
Basic (in USD per share)	$ (0.09)	$ 0.24	$ (0.01)	$ 0.27
Diluted (in USD per share)	$ (0.09)	$ 0.24	$ (0.01)	$ 0.27
Weighted average number of common shares outstanding:
Basic (in shares)	66,210	70,988	66,311	70,933
Diluted (in shares)	66,210	71,122	66,311	71,107