Schedule of Restructuring and Related Costs (Detail) - USD ($) $ in Thousands	11 Months Ended	12 Months Ended
	Oct. 02, 2015	Sep. 30, 2016	Oct. 02, 2015	[1]
Restructuring Cost And Reserve [Line Items]
Exit & Relocation of Facilities	$ 8,798	$ 7,733	$ 10,982
Write-Off of Property, Plant & Equipment	657	336	860
Severance	2,267	654	2,739
Restructuring charges	11,722	8,723	14,581
Cost of Sales
Restructuring Cost And Reserve [Line Items]
Exit & Relocation of Facilities	4,274	3,364	5,486
Write-Off of Property, Plant & Equipment	115	336	265
Severance	694	150	687
Restructuring charges	5,083	3,850	6,438
Restructuring Charges
Restructuring Cost And Reserve [Line Items]
Exit & Relocation of Facilities	4,524	4,369	5,496
Write-Off of Property, Plant & Equipment	542	0	595
Severance	1,573	504	2,052
Restructuring charges	$ 6,639	$ 4,873	$ 8,143

[1] unaudited and recast