Exit and Disposal Activities - Recorded Costs Associated with Exit and Disposal Activities (Detail) - USD ($) $ in Millions	12 Months Ended
	Jan. 02, 2016	Jan. 03, 2015
Restructuring Cost and Reserve [Line Items]
Exit and disposal costs	$ 0.0	$ 6.5
Commercial & Industrial Group [Member]
Restructuring Cost and Reserve [Line Items]
Exit and disposal costs		1.4
Repair Systems & Information Group [Member]
Restructuring Cost and Reserve [Line Items]
Exit and disposal costs		5.1
Cost of Goods Sold [Member]
Restructuring Cost and Reserve [Line Items]
Exit and disposal costs		5.7
Cost of Goods Sold [Member] | Commercial & Industrial Group [Member]
Restructuring Cost and Reserve [Line Items]
Exit and disposal costs		1.0
Cost of Goods Sold [Member] | Repair Systems & Information Group [Member]
Restructuring Cost and Reserve [Line Items]
Exit and disposal costs		4.7
Operating Expenses [Member]
Restructuring Cost and Reserve [Line Items]
Exit and disposal costs		0.8
Operating Expenses [Member] | Commercial & Industrial Group [Member]
Restructuring Cost and Reserve [Line Items]
Exit and disposal costs		0.4
Operating Expenses [Member] | Repair Systems & Information Group [Member]
Restructuring Cost and Reserve [Line Items]
Exit and disposal costs		$ 0.4