Acquisition (Narrative) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended	0 Months Ended		0 Months Ended
	Aug. 25, 2012	Dec. 30, 2010 SunnyBrook [Member]	Dec. 29, 2010 SunnyBrook [Member]	Dec. 30, 2010 SunnyBrook [Member] Dealer Network [Member]	Dec. 30, 2010 SunnyBrook [Member] Trademarks [Member]	Dec. 30, 2010 SunnyBrook [Member] Non-compete agreement [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Repayment of incurred debt			$ 3.3
Operating lease term			5 years
Amortizable intangible assets weighted average useful life		9 years 9 months 18 days
Intangible assets amortization period	8 years 2 months 12 days			10 years	10 years	7 years