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Acquisitions Business Acquisition Pro Forma Information (Details) (USD $)	3 Months Ended		9 Months Ended		3 Months Ended	7 Months Ended	9 Months Ended
	Mar. 31, 2013	Mar. 25, 2012	Mar. 31, 2013	Mar. 25, 2012	Mar. 25, 2012 Ruud Lighting, Inc. [Member]	Mar. 25, 2012 Ruud Lighting, Inc. [Member]	Mar. 25, 2012 Ruud Lighting, Inc. [Member]
Business Combinations Results Of Operations Of Acquired Company [Abstract]
Revenue	$ 348,934,000	$ 284,801,000	$ 1,010,973,000	$ 857,899,000	$ 56,598,000	$ 140,089,000
Operating income (loss)	25,764,000	7,190,000	74,011,000	37,401,000	(1,376,000)	(251,000)
Net income (loss)	22,157,000	9,489,000	58,683,000	34,386,000	(1,207,000)	(552,000)
Basic net income (loss) per share	$ 0.19	$ 0.08	$ 0.51	$ 0.30	$ (0.01)	$ 0.00
Diluted net income (loss) per share	$ 0.19	$ 0.08	$ 0.50	$ 0.30	$ (0.01)	$ 0.00
Business Combination, Pro Forma Information [Abstract]
Revenue							888,231,000
Operating income							28,879,000
Net income							32,401,000
Basic net income per share							$ 0.28
Diluted net income per share							$ 0.28
Total revenue							$ 171,600,000

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