Business Combinations (Changes In Carrying Amount Of Goodwill By Operating Segment) (Detail) $ in Millions	6 Months Ended
	Jul. 03, 2015 USD ($)
Goodwill [Line Items]
Balance as of fiscal year 2014	$ 2,101.2
Additions due to acquisitions	35.0
Purchase price adjustments	0.8
Foreign currency translation adjustments	(35.9)
Divestiture	(13.7)
Balance as of the end of the second quarter of fiscal 2015	2,087.4
Engineering And Construction [Member]
Goodwill [Line Items]
Balance as of fiscal year 2014	1,186.0
Additions due to acquisitions	12.0
Purchase price adjustments	(0.1)
Foreign currency translation adjustments	(29.9)
Divestiture	(13.7)
Balance as of the end of the second quarter of fiscal 2015	1,154.3
Field Solutions [Member]
Goodwill [Line Items]
Balance as of fiscal year 2014	96.0
Additions due to acquisitions	11.1
Purchase price adjustments	1.6
Foreign currency translation adjustments	(2.5)
Divestiture	0.0
Balance as of the end of the second quarter of fiscal 2015	106.2
Mobile Solutions [Member]
Goodwill [Line Items]
Balance as of fiscal year 2014	796.0
Additions due to acquisitions	11.9
Purchase price adjustments	(0.7)
Foreign currency translation adjustments	(2.5)
Divestiture	0.0
Balance as of the end of the second quarter of fiscal 2015	804.7
Advanced Devices [Member]
Goodwill [Line Items]
Balance as of fiscal year 2014	23.2
Additions due to acquisitions	0.0
Purchase price adjustments	0.0
Foreign currency translation adjustments	(1.0)
Divestiture	0.0
Balance as of the end of the second quarter of fiscal 2015	$ 22.2