Goodwill and Other Intangible Assets (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 29, 2013	Sep. 30, 2012	Sep. 29, 2013	Sep. 30, 2012		Dec. 30, 2012
Finite-Lived Intangible Assets [Line Items]
Goodwill, Impairment Loss			$ 0	$ 46,734	[1]
Other intangible assets, net	514		514			744
Amortization of Intangible Assets	100	2,600	231	8,099	[1]
Impairment of Intangible Assets (Excluding Goodwill)			$ 0	$ 12,847	[1]

[1] As adjusted to conform to the current period presentation for solar power systems leased and to be leased (see Note 1).