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Represents the working capital adjustment and holdback payment which is due subsequent to the closing date in business combination.

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Represents the net holdback payment to be released in second tranche, which is due subsequent to the closing date in business combination.

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Represents the number of tranches in which net holdback payments will be released.

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The amount of acquisition cost of a business combination allocated to deferred revenue of the acquired entity.

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Represents the amount of liabilities assumed, net of other assets as of the acquisition date.

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Amount of net tangible assets, acquired at the acquisition date.

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Represents the period after the closing date of the transaction that the net holdback payment will be released for first tranche.

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Represents the period after the closing date of the transaction that the net holdback payment will be released for second tranche.

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Represents the period of time after the closing date of the transaction that the holdback payment will be released.

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Amount of direct costs of the business combination including legal, accounting, and other costs incurred to consummate the business acquisition.

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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.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 10

-Section 50

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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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Amount of currency on hand as well as demand deposits with banks or financial institutions, acquired at the acquisition date. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

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Amount due from customers or clients for goods or services, including trade receivables, that have been delivered or sold in the normal course of business, and amounts due from others, including related parties expected to be converted to cash, sold or exchanged within one year or the normal operating cycle, if longer, acquired at the acquisition date.

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Amount of liabilities incurred for goods and services received that are used in an entity's business and related party payables, assumed at the acquisition date.

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Amount of other liabilities due within one year or within the normal operating cycle, if longer, assumed at the acquisition date.

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Amount of deferred tax liability attributable to taxable temporary differences due after one year or the normal operating cycle, if longer, assumed at the acquisition date.

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Amount of assets, excluding financial assets and goodwill, that lack physical substance, having a projected indefinite period of benefit, acquired at the acquisition date.

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The amount of identifiable intangible assets recognized as of the acquisition date.

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The amount of inventory recognized as of the acquisition date.

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The amount of property, plant, and equipment recognized as of the acquisition date.

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Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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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.

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Net income after adjustments for dividends on preferred stock (declared in the period) and/or cumulative preferred stock (accumulated for the period).

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The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

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Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts.

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Mergers and Acquisitions (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended								12 Months Ended			0 Months Ended	12 Months Ended				0 Months Ended			0 Months Ended						0 Months Ended		12 Months Ended			0 Months Ended			0 Months Ended		0 Months Ended
	Jun. 28, 2014	Mar. 29, 2014	Dec. 28, 2013	Sep. 28, 2013	Jun. 29, 2013	Mar. 30, 2013	Dec. 29, 2012	Sep. 29, 2012	Jun. 28, 2014	Jun. 29, 2013	Jun. 30, 2012	Jan. 06, 2014 Network Instruments, LLC ("Network Instruments") item	Jun. 28, 2014 Network Instruments, LLC ("Network Instruments")	Jun. 29, 2013 Network Instruments, LLC ("Network Instruments")	Jul. 31, 2014 Network Instruments, LLC ("Network Instruments")	Jan. 06, 2014 Network Instruments, LLC ("Network Instruments") In-process research and development	Jan. 06, 2014 Network Instruments, LLC ("Network Instruments") Developed technology	Jan. 06, 2014 Network Instruments, LLC ("Network Instruments") Customer relationships	Jan. 06, 2014 Network Instruments, LLC ("Network Instruments") Other	Jan. 06, 2014 Network Instruments, LLC ("Network Instruments") Trademark/tradename	Jan. 27, 2014 Time-Bandwidth Products AG ("Time-Bandwidth")	Jan. 27, 2014 Time-Bandwidth Products AG ("Time-Bandwidth") Developed technology	Jan. 27, 2014 Time-Bandwidth Products AG ("Time-Bandwidth") Customer relationships	Dec. 10, 2013 Trendium Inc. ("Trendium")	Dec. 10, 2013 Trendium Inc. ("Trendium") In-process research and development	Dec. 10, 2013 Trendium Inc. ("Trendium") Developed technology	Mar. 07, 2013 Arieso Ltd. ("Arieso")	Jun. 29, 2013 Arieso Ltd. ("Arieso")	Jun. 30, 2012 Arieso Ltd. ("Arieso")	Jun. 28, 2014 Arieso Ltd. ("Arieso")	Mar. 07, 2013 Arieso Ltd. ("Arieso") Developed technology	Mar. 07, 2013 Arieso Ltd. ("Arieso") Customer relationships	Mar. 07, 2013 Arieso Ltd. ("Arieso") Order backlog	Aug. 17, 2012 GenComm Co. Ltd. ("GenComm")	Jun. 28, 2014 GenComm Co. Ltd. ("GenComm")	Aug. 17, 2012 GenComm Co. Ltd. ("GenComm") Developed technology	Aug. 17, 2012 GenComm Co. Ltd. ("GenComm") Customer relationships	Aug. 17, 2012 GenComm Co. Ltd. ("GenComm") Order backlog
Acquisitions
Purchase price paid in cash												$ 208.5									$ 15.0			$ 26.1			$ 89.7							$ 15.2
Working capital adjustment and holdback payment												20.0									2.3			2.5			12.8							3.8
Number of tranches in which net holdback payments will be released												2
Holdback payment															10.0															7.0					3.3
Period after which the Holdback payments, minus any deductions for actual or pending claims will be released for first tranche												6 months
Holdback payments, minus any deductions for actual or pending claims to be paid in second tranche												10.0
Period after which the Holdback payments, minus any deductions for actual or pending claims will be released for second tranche												1 year
Minimum period after which the holdback payments will be released																					18 months			1 year
Purchase price allocation to assets acquired
Net tangible assets acquired												20.8									2.0						0.2							5.9
Intangible assets acquired																1.7									5.4
Intangible assets acquired																	21.7	38.3	0.3			6.7	0.5			6.1					32.8	14.5	1.4			3.2	0.2	0.2
Goodwill	267.0				115.1				267.0	115.1	68.7	125.7									5.8			14.4			40.8							5.7
Total purchase price												208.5									15.0			26.1			89.7							15.2
Fair value of acquired tangible assets
Cash												9.0															4.1
Accounts receivable												13.8									1.4						8.4
Inventory												6.0									5.0
Property and equipment												1.0									1.5			0.2			0.6
Accounts payable												(1.5)									(0.6)						(0.3)
Accrued expenses and other liabilities, net of other assets												(4.4)									(3.5)						(1.4)
Employee related liabilities																											(1.4)
Deferred revenue												(2.5)															(1.7)
Deferred tax liabilities, net												(0.6)									(1.8)						(8.1)
Net tangible assets acquired												20.8									2.0						0.2							5.9
Additional business acquisition information
Estimated useful lives of intangible assets																	5 years	5 years		1 year		8 years	3 years			7 years					5 years	5 years				4 years	4 years
Acquisition-related costs																												1.8
Net revenue	448.6	418.0	447.6	429.0	421.3	405.3	429.4	420.9	1,743.2	1,676.9	1,662.4		12.6
Net (loss) income	(25.4)	(1.5)	8.8	0.3	92.5	(28.0)	4.1	(11.6)	(17.8)	57.0	(55.6)		(9.6)
Pro forma information in pursuant with acquisition
Pro forma net revenue													1,770.0	1,710.9														1,680.6	1,676.0
Pro forma net (loss) income													$ (14.5)	$ 47.7														$ 46.5	$ (35.3)