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Note 19 - Quarterly Data and Share Information (Unaudited) (Details) - Consolidated Financial Data (USD $) In Thousands, except Per Share data, unless otherwise specified | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 28, 2014 | Sep. 28, 2014 | Jun. 29, 2014 | Mar. 30, 2014 | Dec. 29, 2013 | Sep. 29, 2013 | Jun. 30, 2013 | Mar. 31, 2013 | Dec. 28, 2014 | Dec. 29, 2013 | Dec. 30, 2012
Note 19 - Quarterly Data and Share Information (Unaudited) (Details) - Consolidated Financial Data [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net sales (in Dollars) | $ 251,689 us-gaap_SalesRevenueNet | [1] | $ 254,448 us-gaap_SalesRevenueNet | $ 243,483 us-gaap_SalesRevenueNet | $ 210,369 us-gaap_SalesRevenueNet | $ 272,096 us-gaap_SalesRevenueNet | [2] | $ 252,191 us-gaap_SalesRevenueNet | [3] | $ 260,624 us-gaap_SalesRevenueNet | $ 218,992 us-gaap_SalesRevenueNet | $ 1,003,903 us-gaap_SalesRevenueNet | [4] | $ 959,989 us-gaap_SalesRevenueNet | [4] | $ 932,020 us-gaap_SalesRevenueNet | [4]
Gross profit (in Dollars) | 91,871 us-gaap_GrossProfit | [1] | 91,753 us-gaap_GrossProfit | 86,233 us-gaap_GrossProfit | 71,252 us-gaap_GrossProfit | 91,361 us-gaap_GrossProfit | [2] | 83,595 us-gaap_GrossProfit | [3] | 90,385 us-gaap_GrossProfit | 74,686 us-gaap_GrossProfit | 340,027 us-gaap_GrossProfit |  | 341,109 us-gaap_GrossProfit |  | 317,179 us-gaap_GrossProfit |
Net income (loss) (in Dollars) | $ 15,336 us-gaap_NetIncomeLoss | [1] | $ 14,957 us-gaap_NetIncomeLoss | $ 10,965 us-gaap_NetIncomeLoss | $ 6,997 us-gaap_NetIncomeLoss | $ 8,088 us-gaap_NetIncomeLoss | [2] | $ (376)us-gaap_NetIncomeLoss | [3] | $ 13,071 us-gaap_NetIncomeLoss | $ 4,025 us-gaap_NetIncomeLoss |  |  |  |  |  |
Basic income (loss) per share | $ 0.23 us-gaap_EarningsPerShareBasic | [1] | $ 0.23 us-gaap_EarningsPerShareBasic | $ 0.17 us-gaap_EarningsPerShareBasic | $ 0.11 us-gaap_EarningsPerShareBasic | $ 0.12 us-gaap_EarningsPerShareBasic | [2] | $ (0.01)us-gaap_EarningsPerShareBasic | [3] | $ 0.20 us-gaap_EarningsPerShareBasic | $ 0.06 us-gaap_EarningsPerShareBasic | $ 0.37 us-gaap_EarningsPerShareBasic |  | $ 0.73 us-gaap_EarningsPerShareBasic |  | $ 0.09 us-gaap_EarningsPerShareBasic |
Diluted income (loss) per share | $ 0.23 us-gaap_EarningsPerShareDiluted | [1] | $ 0.23 us-gaap_EarningsPerShareDiluted | $ 0.17 us-gaap_EarningsPerShareDiluted | $ 0.11 us-gaap_EarningsPerShareDiluted | $ 0.12 us-gaap_EarningsPerShareDiluted | [2] | $ (0.01)us-gaap_EarningsPerShareDiluted | [3] | $ 0.20 us-gaap_EarningsPerShareDiluted | $ 0.06 us-gaap_EarningsPerShareDiluted | $ 0.37 us-gaap_EarningsPerShareDiluted |  | $ 0.73 us-gaap_EarningsPerShareDiluted |  | $ 0.09 us-gaap_EarningsPerShareDiluted |
Maximum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share prices |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share price | $ 21.74 us-gaap_SharePrice / us-gaap_RangeAxis = us-gaap_MaximumMember | [1] | $ 20.30 us-gaap_SharePrice / us-gaap_RangeAxis = us-gaap_MaximumMember | $ 19.86 us-gaap_SharePrice / us-gaap_RangeAxis = us-gaap_MaximumMember | $ 19.96 us-gaap_SharePrice / us-gaap_RangeAxis = us-gaap_MaximumMember | $ 16.74 us-gaap_SharePrice / us-gaap_RangeAxis = us-gaap_MaximumMember | [2] | $ 19.41 us-gaap_SharePrice / us-gaap_RangeAxis = us-gaap_MaximumMember | [3] | $ 21.13 us-gaap_SharePrice / us-gaap_RangeAxis = us-gaap_MaximumMember | $ 22.46 us-gaap_SharePrice / us-gaap_RangeAxis = us-gaap_MaximumMember | $ 21.74 us-gaap_SharePrice / us-gaap_RangeAxis = us-gaap_MaximumMember | [1] | $ 16.74 us-gaap_SharePrice / us-gaap_RangeAxis = us-gaap_MaximumMember | [2] |  |
Minimum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share prices |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share price | $ 18.54 us-gaap_SharePrice / us-gaap_RangeAxis = us-gaap_MinimumMember | [1] | $ 16.73 us-gaap_SharePrice / us-gaap_RangeAxis = us-gaap_MinimumMember | $ 15.13 us-gaap_SharePrice / us-gaap_RangeAxis = us-gaap_MinimumMember | $ 15.76 us-gaap_SharePrice / us-gaap_RangeAxis = us-gaap_MinimumMember | $ 12.98 us-gaap_SharePrice / us-gaap_RangeAxis = us-gaap_MinimumMember | [2] | $ 15.72 us-gaap_SharePrice / us-gaap_RangeAxis = us-gaap_MinimumMember | [3] | $ 17.11 us-gaap_SharePrice / us-gaap_RangeAxis = us-gaap_MinimumMember | $ 18.63 us-gaap_SharePrice / us-gaap_RangeAxis = us-gaap_MinimumMember | $ 18.54 us-gaap_SharePrice / us-gaap_RangeAxis = us-gaap_MinimumMember | [1] | $ 12.98 us-gaap_SharePrice / us-gaap_RangeAxis = us-gaap_MinimumMember | [2] |  |
[1] | The fourth quarter of 2013 includes a gain of $7.0 million related to final settlement of the Company's fire insurance claim in Australia. The fourth quarter of 2013 also includes $1.7 million of expenses related to debt retirement.
[2] | Results for the fourth quarter of 2014 include debt retirement expenses of $12.0 million.
[3] | Results for the third quarter of 2014 include restructuring and asset impairment charges of $12.4 million.
[4] | Revenue attributed to geographic areas is based on the location of the customer.

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