Business Combinations (Schedule Of Changes In Carrying Amount Of Goodwill) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended		12 Months Ended		12 Months Ended		12 Months Ended		12 Months Ended
	Jan. 03, 2014	Dec. 30, 2011	Jan. 03, 2014 Engineering And Construction [Member]	Dec. 30, 2011 Engineering And Construction [Member]	Jan. 03, 2014 Field Solutions [Member]	Dec. 30, 2011 Field Solutions [Member]	Jan. 03, 2014 Mobile Solutions [Member]	Dec. 30, 2011 Mobile Solutions [Member]	Jan. 03, 2014 Advanced Devices [Member]	Dec. 30, 2011 Advanced Devices [Member]	Jan. 03, 2014 Acquired Companies Group [Member]	Dec. 28, 2012 Acquired Companies Group [Member]	Dec. 30, 2011 Acquired Companies Group [Member]	Dec. 28, 2012 TMW Acquisition [Member]	Dec. 28, 2012 TMW Acquisition [Member] Mobile Solutions [Member]
Goodwill [Line Items]
Beginning Balance	$ 1,815,699	$ 1,297,692	$ 958,103	$ 697,237	$ 68,684	$ 68,268	$ 763,386	$ 508,260	$ 25,526	$ 23,927	$ 162,022	$ 504,276	$ 496,082	$ 233,861	$ 233,900
Additions due to acquisitions	162,022		109,119		18,513		34,390		0
Purchase price adjustments	502		26		0		441		35
Foreign currency translation adjustments	11,247		12,992		1,454		(2,123)		(1,076)
Ending Balance	$ 1,989,470	$ 1,297,692	$ 1,080,240	$ 697,237	$ 88,651	$ 68,268	$ 796,094	$ 508,260	$ 24,485	$ 23,927	$ 162,022	$ 504,276	$ 496,082	$ 233,861	$ 233,900