Commitments, Contingencies and Guarantees-Indemnity (Details Textual 3) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Jan. 01, 2012
Supplier and Customer [Member]
Indemnification
Indemnification Accrual At Carrying Value	$ 0
Officers, Employees and Directors [Member]
Indemnification
Indemnification Accrual At Carrying Value	0	0
Environmental Cost [Member]
Indemnification
Indemnification Accrual At Carrying Value	$ 0