Amount of rent expense incurred for leased assets, including but not limited to, furniture and equipment, that is not directly or indirectly associated with the manufacture, sale or creation of a product or product line.

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The total amount of sublease rental income recognized during the period that reduces the entity's rent expense incurred under operating leases.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 10
-Section 55
-Paragraph 40
-Subparagraph (Note 3)
-URI http://asc.fasb.org/extlink&oid=82846649&loc=d3e38371-112697

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Minimum amount of purchase arrangement in which the entity has agreed to expend funds to procure goods or services from a supplier.

+ References

No definition available.

+ Details

Name:	us-gaap_PurchaseObligation
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Details

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- Details

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Balance Type:
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- Details

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- Details

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Commitments and Contingencies (Narrative) (Details) - USD ($) $ in Millions	12 Months Ended
	Mar. 31, 2018	Mar. 25, 2017	Mar. 26, 2016
Purchase Commitment, Excluding Long-term Commitment [Line Items]
Rent expense	$ 11.5	$ 8.2	$ 5.2
Sublease rental income	0.3	$ 0.4	$ 0.3
Foundry Commitments
Purchase Commitment, Excluding Long-term Commitment [Line Items]
Non-cancelable purchase commitments	80.2
Assembly Purchase Order Commitments
Purchase Commitment, Excluding Long-term Commitment [Line Items]
Non-cancelable purchase commitments	3.2
Outside Test Services Commitments
Purchase Commitment, Excluding Long-term Commitment [Line Items]
Non-cancelable purchase commitments	11.5
Long-term Other Purchase Obligation
Purchase Commitment, Excluding Long-term Commitment [Line Items]
Non-cancelable purchase commitments	$ 59.7