Financial Instruments and Fair Value Measurements (Schedule of Accounts Receivable Concentration Risk) (Detail) (USD $) In Millions, unless otherwise specified	Mar. 28, 2014	Sep. 27, 2013	Sep. 28, 2012
Spain
Segment Reporting Information [Line Items]
Accounts receivable	$ 9.8	$ 9.2	$ 15.0
Italy
Segment Reporting Information [Line Items]
Accounts receivable	$ 10.7	$ 12.6	$ 12.5

This item represents disclosure of all significant concentrations of credit risk or market risk arising from the subject financial instrument (as defined), whether from an individual counterparty or groups of counterparties.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.3)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 3

-Subparagraph a, b

-Article 5

Name:	us-gaap_FairValueConcentrationOfRiskAccountsReceivable
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant