COMMITMENTS AND CONTINGENCIES: (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Mar. 31, 2016	Jun. 30, 2016	Dec. 31, 2015
Future minimum payments under non-cancelable operating leases
2016 due in remaining six months	$ 10,679		$ 10,679
2017	18,299		18,299
2018	14,477		14,477
2019	11,046		11,046
2020 and thereafter	11,176		11,176
Total minimum lease payments	65,677		65,677
Purchase commitments
2016 due in remaining six months	100,446		100,446
2017	9,230		9,230
2018	3,836		3,836
2019 and thereafter	25		25
Amount of non-cancelable purchase commitments	113,537		113,537
Loss Contingencies [Line Items]
Total minimum lease payments	65,677		$ 65,677
Royalties payable, percentage			4.50%
Accrued royalties	23,300		$ 23,300
Unrecognized tax benefits	37,400		37,400	$ 25,400
Yokneam [Member]
Future minimum payments under non-cancelable operating leases
Total minimum lease payments	2,900		$ 2,900
Loss Contingencies [Line Items]
Length of operating lease term			10 years
Present value of capital lease obligations	28,700		$ 28,700
Total minimum lease payments	$ 2,900		$ 2,900
Avago [Member] | Settled Litigation [Member]
Loss Contingencies [Line Items]
Period of agreement not to file lawsuits	5 years
Loss contingency, amount paid		$ 5,100