Goodwill And Intangible Assets (Changes In Carrying Amount Of Goodwill By Operating Segment) (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Apr. 04, 2014
Goodwill And Intangible Assets [Line Items]
Balance as of fiscal year end 2013	$ 1,989,470
Additions due to acquisitions	1,553
Purchase price adjustments	620
Foreign currency translation adjustments	(713)
Write off	(473)
Balance as of the first quarter of fiscal 2014	1,990,457
Engineering And Construction [Member]
Goodwill And Intangible Assets [Line Items]
Balance as of fiscal year end 2013	1,080,240
Additions due to acquisitions	1,553
Purchase price adjustments	574
Foreign currency translation adjustments	990
Write off	0
Balance as of the first quarter of fiscal 2014	1,083,357
Field Solutions [Member]
Goodwill And Intangible Assets [Line Items]
Balance as of fiscal year end 2013	88,651
Additions due to acquisitions	0
Purchase price adjustments	46
Foreign currency translation adjustments	18
Write off	0
Balance as of the first quarter of fiscal 2014	88,715
Mobile Solutions [Member]
Goodwill And Intangible Assets [Line Items]
Balance as of fiscal year end 2013	796,094
Additions due to acquisitions	0
Purchase price adjustments	0
Foreign currency translation adjustments	(1,188)
Write off	(473)
Balance as of the first quarter of fiscal 2014	794,433
Advanced Devices [Member]
Goodwill And Intangible Assets [Line Items]
Balance as of fiscal year end 2013	24,485
Additions due to acquisitions	0
Purchase price adjustments	0
Foreign currency translation adjustments	(533)
Write off	0
Balance as of the first quarter of fiscal 2014	$ 23,952