Commitments and Contingencies (Details) (USD $) In Thousands, unless otherwise specified	Mar. 30, 2013
Future minimum commitments
Less than 12 Months	$ 2,147
12-24 Months	229
24-36 Months	42
36-48 Months	2
48-60 Months
Total	2,420
Short-term debt [Member]
Future minimum commitments
Less than 12 Months	197
12-24 Months
24-36 Months
36-48 Months
48-60 Months
Total	197
Operating lease payments [Member]
Future minimum commitments
Less than 12 Months	1,282
12-24 Months	229
24-36 Months	42
36-48 Months	2
48-60 Months
Total	1,555
Capital equipment purchase commitments [Member]
Future minimum commitments
Less than 12 Months	11
12-24 Months
24-36 Months
36-48 Months
48-60 Months
Total	11
Facility modifications [Member]
Future minimum commitments
Less than 12 Months	657
12-24 Months
24-36 Months
36-48 Months
48-60 Months
Total	$ 657