Business Combinations (Schedule Of Changes In Carrying Amount Of Goodwill) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Jan. 02, 2015	Dec. 28, 2012
Goodwill [Line Items]
Beginning Balance	$ 1,989,470us-gaap_Goodwill	$ 1,815,699us-gaap_Goodwill
Additions due to acquisitions	181,635us-gaap_GoodwillAcquiredDuringPeriod
Purchase price adjustments	(2,713)
Foreign currency translation adjustments	(67,223)us-gaap_GoodwillTranslationAdjustments
Ending Balance	2,101,169us-gaap_Goodwill	1,815,699us-gaap_Goodwill
Engineering And Construction [Member]
Goodwill [Line Items]
Beginning Balance	1,080,240	958,103
Additions due to acquisitions	170,054
Purchase price adjustments	(5,856)
Foreign currency translation adjustments	(58,462)
Ending Balance	1,185,976	958,103
Field Solutions [Member]
Goodwill [Line Items]
Beginning Balance	88,651	68,684
Additions due to acquisitions	11,581
Purchase price adjustments	(298)
Foreign currency translation adjustments	(3,993)
Ending Balance	95,941	68,684
Mobile Solutions [Member]
Goodwill [Line Items]
Beginning Balance	796,094	763,386
Additions due to acquisitions	0
Purchase price adjustments	3,441
Foreign currency translation adjustments	(3,523)
Ending Balance	796,012	763,386
Advanced Devices [Member]
Goodwill [Line Items]
Beginning Balance	24,485	25,526
Additions due to acquisitions	0
Purchase price adjustments
Foreign currency translation adjustments	(1,245)
Ending Balance	$ 23,240	$ 25,526

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 20

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 20

-Section 45

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266

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+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (g)

-URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 10

-Section 25

-Paragraph 16

-URI http://asc.fasb.org/extlink&oid=34752592&loc=d3e961-128460

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