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Note 14 - Supplemental Condensed Consolidating Guarantor Financial Statements (Details) - Condensed Consolidating Statement of Operations (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2013 | Jul. 01, 2012 | Jun. 30, 2013 | Jul. 01, 2012
Condensed Income Statements, Captions [Line Items] |  |  |  |
Net sales | $ 243,483 | $ 229,546 | $ 453,852 | $ 439,562
Cost of sales | 157,250 | 150,844 | 296,367 | 290,342
Gross profit on sales | 86,233 | 78,702 | 157,485 | 149,220
Selling, general and administrative expenses | 64,430 | 56,219 | 121,688 | 110,120
Operating income (loss) | 21,803 | 22,483 | 35,797 | 22,784
Interest/Other expense | 5,905 |  | 12,470 |
Income before taxes on income and equity in income of subsidiaries | 15,898 | 16,046 | 23,327 | 9,294
Income tax expense | 4,933 | 5,509 | 5,365 | 4,854
Equity in income (loss) of subsidiaries | 0 |  | 0 |
Net income (loss) | 10,965 | 10,258 | 17,962 | 4,324
Consolidation, Eliminations [Member] |  |  |  |
Condensed Income Statements, Captions [Line Items] |  |  |  |
Net sales | (38,719) |  | (70,931) |
Cost of sales | (38,719) |  | (70,931) |
Gross profit on sales | 0 |  | 0 |
Selling, general and administrative expenses | 0 |  | 0 |
Operating income (loss) | 0 |  | 0 |
Interest/Other expense | 0 |  | 0 |
Income before taxes on income and equity in income of subsidiaries | 0 |  | 0 |
Income tax expense | 0 |  | 0 |
Equity in income (loss) of subsidiaries | (13,429) |  | (26,189) |
Net income (loss) | (13,429) |  | (26,189) |
Guarantor Subsidiaries [Member] |  |  |  |
Condensed Income Statements, Captions [Line Items] |  |  |  |
Net sales | 165,446 |  | 296,154 |
Cost of sales | 118,083 |  | 213,792 |
Gross profit on sales | 47,363 |  | 82,362 |
Selling, general and administrative expenses | 27,752 |  | 50,449 |
Operating income (loss) | 19,611 |  | 31,913 |
Interest/Other expense | 7,883 |  | 13,854 |
Income before taxes on income and equity in income of subsidiaries | 11,728 |  | 18,059 |
Income tax expense | 3,639 |  | 4,007 |
Equity in income (loss) of subsidiaries | 0 |  | 0 |
Net income (loss) | 8,089 |  | 14,052 |
Non-Guarantor Subsidiaries [Member] |  |  |  |
Condensed Income Statements, Captions [Line Items] |  |  |  |
Net sales | 116,756 |  | 228,629 |
Cost of sales | 77,886 |  | 153,506 |
Gross profit on sales | 38,870 |  | 75,123 |
Selling, general and administrative expenses | 29,142 |  | 55,234 |
Operating income (loss) | 9,728 |  | 19,889 |
Interest/Other expense | 1,985 |  | 4,930 |
Income before taxes on income and equity in income of subsidiaries | 7,743 |  | 14,959 |
Income tax expense | 2,403 |  | 2,822 |
Equity in income (loss) of subsidiaries | 0 |  | 0 |
Net income (loss) | 5,340 |  | 12,137 |
Parent Company [Member] |  |  |  |
Condensed Income Statements, Captions [Line Items] |  |  |  |
Net sales | 0 |  | 0 |
Cost of sales | 0 |  | 0 |
Gross profit on sales | 0 |  | 0 |
Selling, general and administrative expenses | 7,536 |  | 16,005 |
Operating income (loss) | (7,536) |  | (16,005) |
Interest/Other expense | (3,963) |  | (6,314) |
Income before taxes on income and equity in income of subsidiaries | (3,573) |  | (9,691) |
Income tax expense | (1,109) |  | (1,464) |
Equity in income (loss) of subsidiaries | 13,429 |  | 26,189 |
Net income (loss) | $ 10,965 |  | $ 17,962 |

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