Business Combinations (Changes In Carrying Amount Of Goodwill By Operating Segment) (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended
Apr. 03, 2015
Goodwill [Line Items]
Balance as of fiscal year 2014	$ 2,101.2us-gaap_Goodwill
Additions due to acquisitions	21.9us-gaap_GoodwillAcquiredDuringPeriod
Purchase price adjustments	1.5
Foreign currency translation adjustments	(52.2)us-gaap_GoodwillTranslationAdjustments
Divestiture	(13.0)us-gaap_GoodwillOtherChanges
Balance as of the end of the first quarter of fiscal 2015	2,059.4us-gaap_Goodwill
Engineering And Construction [Member]
Goodwill [Line Items]
Balance as of fiscal year 2014	1,186.0
Additions due to acquisitions	11.8
Purchase price adjustments	(0.1)
Foreign currency translation adjustments	(44.2)
Divestiture	(13.0)
Balance as of the end of the first quarter of fiscal 2015	1,140.5
Field Solutions [Member]
Goodwill [Line Items]
Balance as of fiscal year 2014	96.0
Additions due to acquisitions	0
Purchase price adjustments	1.6
Foreign currency translation adjustments	(3.3)
Divestiture	0
Balance as of the end of the first quarter of fiscal 2015	94.3
Mobile Solutions [Member]
Goodwill [Line Items]
Balance as of fiscal year 2014	796.0
Additions due to acquisitions	10.1
Purchase price adjustments	0
Foreign currency translation adjustments	(3.6)
Divestiture	0
Balance as of the end of the first quarter of fiscal 2015	802.5
Advanced Devices [Member]
Goodwill [Line Items]
Balance as of fiscal year 2014	23.2
Additions due to acquisitions	0
Purchase price adjustments	0
Foreign currency translation adjustments	(1.1)
Divestiture	0
Balance as of the end of the first quarter of fiscal 2015	$ 22.1

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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