Dividends to Shareholders (Details Textual) - USD ($) $ / shares in Units, $ in Thousands |
3 Months Ended | 12 Months Ended | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Dec. 30, 2017 |
Sep. 30, 2017 |
Jul. 01, 2017 |
Apr. 01, 2017 |
Dec. 31, 2016 |
Oct. 01, 2016 |
Jul. 02, 2016 |
Apr. 02, 2016 |
Jan. 02, 2016 |
Sep. 26, 2015 |
Jun. 27, 2015 |
Mar. 28, 2015 |
Dec. 30, 2017 |
Dec. 31, 2016 |
Jan. 02, 2016 |
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| Subsequent Event [Line Items] | |||||||||||||||
| Dividends declared | $ 10,273 | $ 10,757 | $ 12,018 | ||||||||||||
| Common Stock, Dividends, Per Share, Declared | $ 0.09 | $ 0.09 | $ 0.09 | $ 0.09 | $ 0.09 | $ 0.09 | $ 0.09 | $ 0.09 | $ 0.09 | $ 0.09 | $ 0.09 | $ 0.09 | $ 0.38 | $ 0.40 | $ 0.45 |
| Dividend paid, date of payment | Mar. 31, 2017 | Mar. 31, 2016 | Mar. 31, 2015 | ||||||||||||
| Dividend paid, date of record | Mar. 15, 2017 | Mar. 15, 2016 | Mar. 15, 2015 | ||||||||||||
| Special Dividend [Member] | |||||||||||||||
| Subsequent Event [Line Items] | |||||||||||||||
| Common Stock, Dividends, Per Share, Declared | $ 0.02 | $ 0.04 | $ 0.09 | ||||||||||||
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- Definition Aggregate dividends declared during the period for each share of common stock outstanding. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Date the declared dividend will be paid, in CCYY-MM-DD format. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of paid and unpaid cash, stock, and paid-in-kind (PIK) dividends declared, for example, but not limited to, common and preferred stock. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Date the holder must own the stock to be entitled to the dividend, in CCYY-MM-DD format. No definition available.
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- Definition Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event. No definition available.
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- Details
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