GOODWILL AND INTANGIBLE ASSETS: (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Jul. 02, 2013	Aug. 15, 2013
Changes in the carrying amount of goodwill
Balance at the beginning of the period		$ 132,885
Balance at the end of the period	199,196	132,885
IPtronics
Changes in the carrying amount of goodwill
Balance at the beginning of the period			25,630
Goodwill acquisition	25,630
Balance at the end of the period			25,630
Kotura
Changes in the carrying amount of goodwill
Balance at the beginning of the period				40,681
Goodwill acquisition	40,681
Balance at the end of the period				$ 40,681