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QUARTERLY FINANCIAL DATA (Unaudited) (Details) - USD ($) $ / shares in Units, $ in Thousands | 1 Months Ended | 3 Months Ended | 12 Months Ended
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Dec. 28, 2013 | Dec. 26, 2015 | Sep. 26, 2015 | Jun. 27, 2015 | Mar. 28, 2015 | Dec. 27, 2014 | Sep. 27, 2014 | Jun. 28, 2014 | Mar. 29, 2014 | Dec. 26, 2015 | Dec. 27, 2014 | Dec. 28, 2013
Quarterly Financial Information Disclosure [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  | $ 633,828 | $ 632,575 | $ 682,123 | $ 670,398 | $ 763,136 | $ 765,668 | $ 842,599 | $ 751,740 | $ 2,618,924 | $ 3,123,143 | $ 3,304,211
Gross profit |  | 129,280 | 156,751 | 169,548 | 165,454 | 181,158 | 199,500 | 220,477 | 206,982 | 621,033 | 808,117 | 945,228
Net Earnings, Amount |  | $ (30,561) | $ 12,066 | $ 27,873 | $ 30,739 | $ 40,461 | $ 23,559 | $ 63,976 | $ 55,980 | $ 40,117 | $ 183,976 | $ 278,489
Net Earnings, Per Share, Basic (in dollars per share) |  | $ (1.34) | $ 0.52 | $ 1.19 | $ 1.29 | $ 1.67 | $ 0.93 | $ 2.40 | $ 2.10 | $ 1.72 | $ 7.15 | $ 10.45
Net Earnings, Per Share, Diluted (in dollars per share) |  | (1.34) | 0.52 | 1.19 | 1.28 | 1.66 | 0.92 | 2.38 | 2.08 | 1.71 | 7.09 | 10.35
Stock Price, High (in dollars per share) |  | 117.94 | 121.23 | 128.26 | 130.26 | 139.31 | 155.62 | 163.23 | 155.64 | 130.26 | 163.23 |
Stock Price, Low (in dollars per share) |  | 93.99 | 97.44 | 118.09 | 117.56 | 123.44 | 131.68 | 143.02 | 141.74 | 93.99 | 123.44 |
Dividends Declared (in dollars per share) |  | $ 0.375 | $ 0.375 | $ 0.375 | $ 0.375 | $ 0.375 | $ 0.375 | $ 0.375 | $ 0.250 | $ 1.500 | $ 1.375 | $ 0.975
Quarterly Financial Data |  |  |  |  |  |  |  |  |  |  |  |
Restructuring and related cost, expected cost remaining |  | $ 11,500 | $ 6,300 |  |  |  |  |  |  | $ 11,500 |  |
Restructuring expenses (in dollars per share) |  |  |  |  |  |  |  |  |  | $ 0.58 |  |
Impairment of goodwill and intangible assets |  |  | $ 13,400 |  |  |  |  |  |  | $ 41,970 | $ 0 | $ 0
Impairment of goodwill and intangible assets (in dollars per share |  | $ 1.16 | $ 0.58 |  |  |  |  |  |  | $ 1.72 |  |
Goodwill impairment |  | $ 7,100 |  |  |  |  |  |  |  | $ 34,892 |  |
Impairment of intangible assets |  | 19,600 |  |  |  |  |  |  |  |  |  |
Increase (decrease) in product warranty reserve |  | $ 11,500 |  |  |  |  |  |  |  |  |  |
Increase (decrease) in product warranty reserve (in dollars per share) |  | $ 0.50 |  |  |  |  |  |  |  |  |  |
Increase (decrease) in allowance for bad debt |  | $ 4,800 |  |  |  |  |  |  |  |  |  |
Increase (decrease) in allowance for bad debt (in dollars per share) |  | $ 0.21 |  |  |  |  |  |  |  |  |  |
Foreign corporate income tax rate |  |  |  |  |  |  |  |  |  | 18.00% | 20.00% |
Increase (decrease) in income taxes |  | $ 7,100 |  |  |  |  |  |  |  |  |  |
Increase (decrease) in income taxes (in dollars per share) |  | $ 0.31 |  |  |  |  |  |  |  |  |  |
Refinancing of long-term debt |  |  |  |  |  |  | $ 24,200 |  |  |  | $ 24,200 |
Refinancing of long-term debt (in dollars per share) |  |  |  |  |  |  | $ 0.95 |  |  |  | $ 0.93 |
Delta EMD, Ltd. |  |  |  |  |  |  |  |  |  |  |  |
Quarterly Financial Data |  |  |  |  |  |  |  |  |  |  |  |
Fair market value gain (loss) on remaining investment | $ 3,452 |  |  |  |  |  | $ (1,400) |  |  |  | $ (3,800) |
Fair market value gain (loss) on remaining investment (in dollars per share) |  |  |  |  |  |  | $ 0.05 |  |  |  |  |
Broad Restructuring Plan |  |  |  |  |  |  |  |  |  |  |  |
Quarterly Financial Data |  |  |  |  |  |  |  |  |  |  |  |
Restructuring and related cost, expected cost remaining |  | $ 39,852 |  | $ 9,800 |  |  |  |  |  | $ 39,852 |  |
Restructuring expenses (in dollars per share) |  | $ 0.50 | $ 0.27 | $ 0.42 |  |  |  |  |  |  |  |

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