Acquisitions (Pro Forma) (Details) (2GIG Technologies, Inc. [Member], USD $) In Millions, except Per Share data, unless otherwise specified	9 Months Ended	12 Months Ended
Sep. 28, 2013	Sep. 29, 2012	Dec. 31, 2012
2GIG Technologies, Inc. [Member]
Business Acquisition [Line Items]
Net sales	$ 1,771.0	$ 1,735.7	$ 2,247.3
Operating earnings	89.1	109.7	122.9
Net earnings	7.4	19.4	5.3
Basic earnings per share	$ 0.48	$ 1.28	$ 0.35
Diluted earnings per share	$ 0.47	$ 1.25	$ 0.34
Depreciation & amortization expense	$ 69.4	$ 72.6	$ 96.0

Business Acquisition, Pro Forma Amortization and Depreciation Expense

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The pro forma basic net income per share for a period as if the business combination or combinations had been completed at the beginning of a period.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (h)(2)-(3)

-URI http://asc.fasb.org/extlink&oid=25497992&loc=d3e1392-128463

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The pro forma diluted net income per share for a period as if the business combination or combinations had been completed at the beginning of a period.

+ References

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The pro forma income from continuing operations before changes in accounting and extraordinary items, net of tax effect, for the period as if the business combination or combinations had been completed at the beginning of a period.

+ References

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The pro forma net Income or Loss for the period as if the business combination or combinations had been completed at the beginning of a period.

+ References

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The pro forma revenue for a period as if the business combination or combinations had been completed at the beginning of the period.

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