GEOGRAPHIC INFORMATION AND REVENUES BY PRODUCT GROUP: (Details 3) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Revenues by product group
Total revenue	$ 390,436	$ 500,275	$ 259,251
ICs
Revenues by product group
Total revenue	56,817	95,103	46,564
Boards
Revenues by product group
Total revenue	119,399	155,670	98,004
Switch systems
Revenues by product group
Total revenue	145,184	168,231	76,398
Cables, accessories and other
Revenues by product group
Total revenue	$ 69,036	$ 81,271	$ 38,285