Income Tax (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended	6 Months Ended
Dec. 27, 2014	Dec. 28, 2013	Sep. 28, 2013	Jun. 29, 2013	Dec. 27, 2014	Dec. 28, 2013
Components of the Company's income tax (benefit) expense
Impact to net income in prior prior period related to out-of-period adjustments		$ 1.7	$ 0.9	$ 0.8
Total income tax expense	8.8us-gaap_IncomeTaxExpenseBenefit	3.0us-gaap_IncomeTaxExpenseBenefit			14.9us-gaap_IncomeTaxExpenseBenefit	3.5us-gaap_IncomeTaxExpenseBenefit
Income tax benefit intraperiod tax allocation related to other comprehensive income	$ 0.9				$ 5.1

Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 235

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.4-08.(h))

-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 08

-Paragraph h

-Article 4

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Income Tax Expense (or Benefit)

-URI http://asc.fasb.org/extlink&oid=6515339

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 740

-SubTopic 10

-Section 50

-Paragraph 9

-Subparagraph (a),(b)

-URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32639-109319

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