Note 12 - Benefit Plans (Details) - Company’s U.S and German Pension Plan Assets Measured at Fair Value (USD $) In Thousands, unless otherwise specified	Dec. 28, 2013	Dec. 29, 2012	Dec. 31, 2011
Equities:
Total pension plan assets	$ 126,225	$ 88,901	$ 92,479
Fair Value, Inputs, Level 1 [Member]
Equities:
Total pension plan assets	14,270	1,143
Fair Value, Inputs, Level 2 [Member]
Equities:
Total pension plan assets	111,955	87,758
Equity Securities [Member] | MSCI Emg Mkts Index Fund [Member] | Fair Value, Inputs, Level 2 [Member]
Equities:
Investments	4,679	6,243
Equity Securities [Member] | MSCI Emg Mkts Index Fund [Member]
Equities:
Investments	4,679	6,243
Equity Securities [Member] | MSCI World Index Fund [Member] | Fair Value, Inputs, Level 2 [Member]
Equities:
Investments	39,332	34,666
Equity Securities [Member] | MSCI World Index Fund [Member]
Equities:
Investments	39,332	34,666
Equity Securities [Member] | Global Equity Index Fund [Member] | Fair Value, Inputs, Level 2 [Member]
Equities:
Investments	12,859
Equity Securities [Member] | Global Equity Index Fund [Member]
Equities:
Investments	12,859
Equity Securities [Member] | Philippine Stock [Member] | Fair Value, Inputs, Level 1 [Member]
Equities:
Investments	918
Equity Securities [Member] | Philippine Stock [Member]
Equities:
Investments	918
Fixed Income Investments [Member] | Long U.S. Credit Corp Index Fund [Member] | Fair Value, Inputs, Level 2 [Member]
Equities:
Investments	24,830	22,889
Fixed Income Investments [Member] | Long U.S. Credit Corp Index Fund [Member]
Equities:
Investments	24,830	22,889
Fixed Income Investments [Member] | Long U.S. Govt Bond Index Fund [Member] | Fair Value, Inputs, Level 2 [Member]
Equities:
Investments	8,269	7,630
Fixed Income Investments [Member] | Long U.S. Govt Bond Index Fund [Member]
Equities:
Investments	8,269	7,630
Fixed Income Investments [Member] | High Yield Corporate Bond Funds [Member] | Fair Value, Inputs, Level 2 [Member]
Equities:
Investments	5,792	5,378
Fixed Income Investments [Member] | High Yield Corporate Bond Funds [Member]
Equities:
Investments	5,792	5,378
Fixed Income Investments [Member] | Investment Grade Corporate Bond Funds [Member] | Fair Value, Inputs, Level 1 [Member]
Equities:
Investments	9,637
Fixed Income Investments [Member] | Investment Grade Corporate Bond Funds [Member] | Fair Value, Inputs, Level 2 [Member]
Equities:
Investments		10,297
Fixed Income Investments [Member] | Investment Grade Corporate Bond Funds [Member]
Equities:
Investments	9,637	10,297
Fixed Income Investments [Member] | Over 15y Gilts Index Fund [Member] | Fair Value, Inputs, Level 2 [Member]
Equities:
Investments	5,626
Fixed Income Investments [Member] | Over 15y Gilts Index Fund [Member]
Equities:
Investments	5,626
Fixed Income Investments [Member] | Act Agg Long Dat 50:50 Fixed Int Fund [Member] | Fair Value, Inputs, Level 2 [Member]
Equities:
Investments	5,174
Fixed Income Investments [Member] | Act Agg Long Dat 50:50 Fixed Int Fund [Member]
Equities:
Investments	5,174
Fixed Income Investments [Member] | AAA Fixed Int Over 15 Year Fund [Member] | Fair Value, Inputs, Level 2 [Member]
Equities:
Investments	5,394
Fixed Income Investments [Member] | AAA Fixed Int Over 15 Year Fund [Member]
Equities:
Investments	5,394
Fixed Income Investments [Member] | Fair Value, Inputs, Level 1 [Member]
Equities:
Other	237
Cash and equivalents	3,478	1,143
Fixed Income Investments [Member] | Fair Value, Inputs, Level 2 [Member]
Equities:
Other		655
Fixed Income Investments [Member]
Equities:
Other	237	655
Cash and equivalents	$ 3,478	$ 1,143