RESTRUCTURING AND OTHER CHARGES RESTRUCTURING AND OTHER CHARGES - Additional Information (Details) $ in Millions	3 Months Ended
	Jan. 01, 2016 USD ($)	Jul. 03, 2015 USD ($)	Dec. 28, 2012 USD ($)	Apr. 01, 2016 USD ($)
Employee Related Costs [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve	$ 4.0			$ 2.9
Facility Exit and Other Costs [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve	$ 0.6			0.6
Q4 2015 Restructuring Plan [Member]
Restructuring Cost and Reserve [Line Items]
Number of Positions Eliminated	80
Restructuring Reserve				2.2
Q4 2015 Restructuring Plan [Member] | Operating Expense [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges	$ 3.4
Q4 2015 Restructuring Plan [Member] | Employee Related Costs [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve	3.0			2.0
Q4 2015 Restructuring Plan [Member] | Facility Exit and Other Costs [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve	0.2			0.2
Q4 2015 Restructuring Plan [Member] | Network and Security Solutions [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges	1.0
Q4 2015 Restructuring Plan [Member] | Electrical and Electronic Solutions [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges	2.3
Q4 2015 Restructuring Plan [Member] | Utility Power Solutions [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges	0.1
Q2 2015 Restructuring Plan [Member]
Restructuring Cost and Reserve [Line Items]
Number of Positions Eliminated		100
Q2 2015 Restructuring Plan [Member] | Operating Expense [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges		$ 5.3
Q2 2015 Restructuring Plan [Member] | Employee Related Costs [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve	1.0			0.9
Q2 2015 Restructuring Plan [Member] | Network and Security Solutions [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges		3.0
Q2 2015 Restructuring Plan [Member] | Electrical and Electronic Solutions [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges		2.2
Restructuring charge adjustment	0.5
Q2 2015 Restructuring Plan [Member] | Corporate Segment [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges		$ 0.1
Q4 2012 Restructuring Plan [Member]
Restructuring Cost and Reserve [Line Items]
Number of Positions Eliminated			200
Q4 2012 Restructuring Plan [Member] | Operating Expense [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges			$ 6.9
Q4 2012 Restructuring Plan [Member] | Facility Exit and Other Costs [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve	$ 0.4			$ 0.4
Q4 2012 Restructuring Plan [Member] | Network and Security Solutions [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges			4.1
Q4 2012 Restructuring Plan [Member] | Electrical and Electronic Solutions [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges			$ 2.8