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Acquisitions (Narrative) (Details) (USD $) Share data in Millions, unless otherwise specified | 12 Months Ended | 1 Months Ended | 3 Months Ended | 12 Months Ended | 0 Months Ended | 2 Months Ended | 3 Months Ended | 2 Months Ended | 1 Months Ended | 2 Months Ended
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Jun. 30, 2013 | Jun. 24, 2012 | Jun. 26, 2011 | Aug. 17, 2011 Ruud Lighting, Inc. [Member] | Jun. 24, 2012 Ruud Lighting, Inc. [Member] | Jun. 24, 2012 Ruud Lighting, Inc. [Member] | Jun. 26, 2011 Ruud Lighting, Inc. [Member] | Feb. 29, 2008 LLF Acquisition [Member] | Feb. 29, 2008 LLF Acquisition [Member] | Mar. 27, 2011 LLF Acquisition [Member] | Mar. 28, 2010 LLF Acquisition [Member] | Mar. 29, 2009 LLF Acquisition [Member] | Feb. 29, 2008 Stock Options [Member] LLF Acquisition [Member] | Aug. 17, 2011 Common Stock [Member] Ruud Lighting, Inc. [Member] | Feb. 29, 2008 Common Stock [Member] LLF Acquisition [Member]
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Shares issued for acquisition |  |  |  |  |  |  |  |  |  |  |  |  |  | 6.1 | 1.9
Fair value of common stock issued by the Company |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 211,000,000 | $ 58,800,000
Cash paid for acquisition |  |  |  | 372,200,000 |  |  |  |  | 16,500,000 |  |  |  |  |  |
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Consideration Transferred |  |  |  |  | (2,300,000) |  |  |  |  |  |  |  |  |  |
Business Combination, Consideration Transferred |  |  |  | 666,000,000 |  |  |  |  | 80,800,000 |  |  |  |  |  |
Business Acquisition, Cost of Acquired Entity, Liabilities Incurred |  |  |  | 85,000,000 |  |  |  |  |  |  |  |  | 4,500,000 |  |
Business Combination, Proforma Information, Revenue of Acquiree since beginning of period |  |  |  |  |  | 235,800,000 | 211,200,000 |  |  |  |  |  |  |  |
Business Combination, Acquisition Related Costs |  |  |  |  |  | 3,100,000 | 500,000 |  |  |  |  |  |  |  |
Transaction cost |  |  |  |  |  |  |  | 1,000,000 | 1,000,000 |  |  |  |  |  |
Contingent costs of acquisition |  |  |  |  |  |  |  | 26,400,000 | 26,400,000 |  |  |  |  |  |
Term of contingent consideration |  |  |  |  |  |  |  | 3 years |  |  |  |  |  |  |
Payments for Previous Acquisition | $ 0 | $ 0 | $ 13,159,000 |  |  |  |  |  |  | $ 13,200,000 | $ 8,800,000 | $ 4,400,000 |  |  |

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- Definition Amount of direct costs of the business combination including legal, accounting, and other costs incurred to consummate the business acquisition. + References No definition available. + Details
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- Definition Value of equity interests (such as common shares, preferred shares, or partnership interest) issued or issuable to acquire the entity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (b)(4) -URI http://asc.fasb.org/extlink&oid=7488404&loc=d3e6927-128479 + Details
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- Definition This element represents the amount of revenue of the acquiree since the acquisition date included in the consolidated income statement for the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -URI http://asc.fasb.org/extlink&oid=25497992&loc=d3e1392-128463 + Details
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