|
Industry Segment, Geographic Information and Significant Customers (Details Textual) (USD $)
In Millions, unless otherwise specified |
3 Months Ended | 12 Months Ended | 3 Months Ended | 12 Months Ended | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Dec. 31, 2011
Customer
|
Dec. 31, 2011
|
Dec. 31, 2011
Business Acquisition Nekton [Member]
|
Dec. 30, 2011
US Federal government Orders, Contracts and Subcontracts [Member]
|
Jan. 01, 2011
US Federal government Orders, Contracts and Subcontracts [Member]
|
Jan. 02, 2010
US Federal government Orders, Contracts and Subcontracts [Member]
|
Jan. 02, 2010
Customers [member]
|
Dec. 31, 2011
Customers [member]
|
Jan. 01, 2011
Customers [member]
|
Dec. 31, 2011
Boeing Company [Member]
|
Jan. 01, 2011
Boeing Company [Member]
|
Dec. 31, 2011
Foreign Country [Member]
|
Jan. 01, 2011
Foreign Country [Member]
|
Jan. 02, 2010
Foreign Country [Member]
|
|
| Industry Segment Geographic Information and Significant Customers (Textual) [Abstract] | ||||||||||||||
| Percentage of sales to Non-U.S customers of total revenue | 45.50% | 42.10% | 33.30% | |||||||||||
| Percentage of total revenue from Boeing Company | 9.40% | 17.40% | ||||||||||||
| Percentage of U.S federal government orders, contracts and subcontracts of total revenue | 36.10% | 38.40% | 36.90% | |||||||||||
| Percentage of home product revenue from top 15 customers | 56.00% | 74.00% | 65.70% | |||||||||||
| Purchased intangible assets recorded in conjunction with acquisition of Nekton | $ 2.5 | |||||||||||||
| Industry Segment Geographic Information and Significant Customers (Additional Textual) [Abstract] | ||||||||||||||
| Carrying amount of goodwill recorded in conjunction with acquisition of Nekton | 7.9 | 7.9 | ||||||||||||
| Investment in Advanced Scientific Concepts | $ 2.5 | $ 2.5 | ||||||||||||
| Number of customer generating major revenues | 15 | |||||||||||||
| Percentage of revenue generated from two international distributors | 23.60% | |||||||||||||