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Restructuring and Related Charges (Details) $ in Millions	3 Months Ended					18 Months Ended
	Oct. 01, 2016 USD ($)	Jul. 02, 2016 USD ($) employee	Jan. 02, 2016 employee	Oct. 03, 2015 USD ($)	Mar. 29, 2014 employee	Apr. 02, 2016 employee	Sep. 27, 2014 company
Summary of various restructuring plans
Accrual balance at the beginning of the period	$ 18.0
Restructuring Charges (Benefits)	0.0			$ 0.4
Cash Settlements	(7.9)
Non-cash Settlements and Other Adjustments	0.0
Accrual balance at the end of the period	10.1	$ 18.0
Long-term restructuring accrual	4.0	4.7
Number of new public entities (in company) | company							2
NE, SE and Shared Services Agile Restructuring Plan
Summary of various restructuring plans
Accrual balance at the beginning of the period	8.6
Restructuring Charges (Benefits)	0.1
Cash Settlements	(6.3)
Non-cash Settlements and Other Adjustments	0.0
Accrual balance at the end of the period	2.4	$ 8.6
Number of employees impacted (employee) | employee		190
NE and SE Agile Restructuring Plan
Summary of various restructuring plans
Accrual balance at the beginning of the period	0.8
Restructuring Charges (Benefits)	0.0
Cash Settlements	(0.2)
Non-cash Settlements and Other Adjustments	0.0
Accrual balance at the end of the period	0.6	$ 0.8
Number of employees impacted (employee) | employee			40
NE, SE, and Shared Separation Restructuring Plan
Summary of various restructuring plans
Accrual balance at the beginning of the period	1.4
Restructuring Charges (Benefits)	(0.2)
Cash Settlements	(0.7)
Non-cash Settlements and Other Adjustments	0.0
Accrual balance at the end of the period	0.5	1.4
Number of employees impacted (employee) | employee						330
Contractual obligations under the operating lease, net of sublease income, fair value	0.2
Plans Prior to Fiscal 2015
Summary of various restructuring plans
Accrual balance at the end of the period	1.5
NE Product Strategy Restructuring Plan
Summary of various restructuring plans
Accrual balance at the beginning of the period	1.5
Restructuring Charges (Benefits)	0.0
Cash Settlements	(0.1)
Non-cash Settlements and Other Adjustments	0.0
Accrual balance at the end of the period	1.4	1.5
Number of employees impacted (employee) | employee					60
NE Lease Restructuring Plan
Summary of various restructuring plans
Accrual balance at the beginning of the period	4.0
Restructuring Charges (Benefits)	0.1
Cash Settlements	(0.4)
Non-cash Settlements and Other Adjustments	0.0
Accrual balance at the end of the period	3.7	4.0
Contractual obligations under the operating lease, net of sublease income, fair value	3.7
Other Plans
Summary of various restructuring plans
Accrual balance at the beginning of the period	1.7
Restructuring Charges (Benefits)	0.0
Cash Settlements	(0.2)
Non-cash Settlements and Other Adjustments	0.0
Accrual balance at the end of the period	$ 1.5	$ 1.7

X

- Definition

Amount of cash payments made as the result of exit or disposal activities. Excludes payments associated with a discontinued operation or an asset retirement obligation.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 420
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (b)(2)
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-Section 45
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The number of positions eliminated during the period as a result of restructuring activities.

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Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

+ References

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Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan.

+ References

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Carrying amount as of the balance sheet date of known and estimated costs associated with exit from or disposal of business activities or restructurings pursuant to a duly authorized plan, which are expected to be paid after one year or beyond the next operating cycle, if longer. Costs of such activities include those for one-time termination benefits, termination of an operating lease or other contract, consolidating or closing facilities, and relocating employees, and costs associated with an ongoing benefit arrangement, but excludes costs associated with the retirement of a long-lived asset.

+ References

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Amount of increase (decrease) in the restructuring reserve related to foreign currency translation (gain) loss and other increases (decreases).

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The fair value of the remaining future contractually required payments, net of sublease rentals on leases, defined as operating.

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The number of public entities to be created as a result of announced spinoff plans.

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