SEGMENT INFORMATION Segment Reporting (Schedule of Adjusted Operating Income) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jul. 03, 2015	Jul. 04, 2014	Jul. 03, 2015	Jul. 04, 2014
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Consolidated operating income	$ 36.0	$ 97.2	$ 75.5	$ 172.9
Scenario, Previously Reported [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Previously allocated stock-based compensation		(6.5)		(12.5)
Engineering And Construction [Member] | Scenario, Previously Reported [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Previously allocated stock-based compensation		(3.8)		(7.4)
Field Solutions [Member] | Scenario, Previously Reported [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Previously allocated stock-based compensation		(0.9)		(1.7)
Mobile Solutions [Member] | Scenario, Previously Reported [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Previously allocated stock-based compensation		(1.3)		(2.4)
Advanced Devices [Member] | Scenario, Previously Reported [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Previously allocated stock-based compensation		(0.5)		(1.0)
Operating Segments [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Consolidated operating income	115.4	169.6	228.7	313.9
Operating Segments [Member] | Scenario, Previously Reported [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Consolidated operating income		163.1		301.4
Operating Segments [Member] | Scenario, Adjustment [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Consolidated operating income		169.6		313.9
Operating Segments [Member] | Engineering And Construction [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Consolidated operating income	60.5	95.7	97.5	156.8
Operating Segments [Member] | Engineering And Construction [Member] | Scenario, Previously Reported [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Consolidated operating income		91.9		149.4
Operating Segments [Member] | Engineering And Construction [Member] | Scenario, Adjustment [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Consolidated operating income		95.7		156.8
Operating Segments [Member] | Field Solutions [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Consolidated operating income	24.9	39.6	65.5	93.3
Operating Segments [Member] | Field Solutions [Member] | Scenario, Previously Reported [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Consolidated operating income		38.7		91.6
Operating Segments [Member] | Field Solutions [Member] | Scenario, Adjustment [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Consolidated operating income		39.6		93.3
Operating Segments [Member] | Mobile Solutions [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Consolidated operating income	18.9	21.7	39.4	39.0
Operating Segments [Member] | Mobile Solutions [Member] | Scenario, Previously Reported [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Consolidated operating income		20.4		36.6
Operating Segments [Member] | Mobile Solutions [Member] | Scenario, Adjustment [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Consolidated operating income		21.7		39.0
Operating Segments [Member] | Advanced Devices [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Consolidated operating income	$ 11.1	12.6	$ 26.3	24.8
Operating Segments [Member] | Advanced Devices [Member] | Scenario, Previously Reported [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Consolidated operating income		12.1		23.8
Operating Segments [Member] | Advanced Devices [Member] | Scenario, Adjustment [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Consolidated operating income		$ 12.6		$ 24.8