Business Segments (Details) (USD $) In Millions	12 Months Ended
Jul. 01, 2011	Jul. 02, 2010	Jul. 03, 2009
Selected information by business segment and geographical area
Total assets	$ 6,172.8	$ 4,743.6	$ 4,465.1
Capital Expenditures	311.3	189.9	108.9
Depreciation and Amortization	212.0	165.7	184.7
Revenue, U.S. operations	5,487.0	4,906.1	4,754.4
Lived-Lived assets, U.S. operations	770.1	575.2	513.2
Revenue, international operations	437.6	300.0	250.6
Long-Lived assets, international operations	102.7	34.5	30.0
RF Communication [Member]
Selected information by business segment and geographical area
Total assets	1,493.5	1,468.5	1,473.0
Capital Expenditures	77.7	52.4	30.1
Depreciation and Amortization	66.1	68.5	38.5
Government Communications Systems [Member]
Selected information by business segment and geographical area
Total assets	976.9	919.8	922.5
Capital Expenditures	45.6	45.9	39.0
Depreciation and Amortization	43.6	43.7	41.8
Integrated Network Solutions [Member]
Selected information by business segment and geographical area
Total assets	3,002.7	1,672.9	1,541.3
Capital Expenditures	162.8	77.9	12.5
Depreciation and Amortization	90.7	45.2	54.2
Corporate [Member]
Selected information by business segment and geographical area
Total assets	699.7	682.4	528.3
Capital Expenditures	25.2	13.7	10.1
Depreciation and Amortization	11.6	8.3	16.3
Discontinued Operations [Member]
Selected information by business segment and geographical area
Capital Expenditures			17.2
Depreciation and Amortization			$ 33.9

Selected information by business segment and geographical area.

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Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Concepts (CON)
-Number 6
-Paragraph 25

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 18
-Article 5

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-Name Regulation S-X (SX)
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+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 131
-Paragraph 38
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Revenues from external customers attributed to the entity's country of domicile.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Name Statement of Financial Accounting Standard (FAS)
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-Paragraph 38
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Amount of revenue from external customers attributed to an individual foreign country from which revenue is material. An entity also may provide subtotals of geographic information about groups of countries.

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Amount of depreciation, depletion, and amortization expense for the reportable segment. Must be disclosed if the amount (a) is included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) is otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 131
-Paragraph 27
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Total expenditures for additions to long-lived assets other than financial instruments, long-term customer relationships of a financial institution, mortgage and other servicing rights, deferred policy acquisition costs, and deferred tax assets of the reportable segment. Must be disclosed if the amount (a) is included in the determination of segment assets reviewed by the chief operating decision maker or (b) is otherwise regularly provided to the chief operating decision maker, even if not included in the determination of segment assets.

+ References

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