INCOME TAXES: ADDITIONAL INFORMATION (Details) $ / shares in Units, $ in Millions				3 Months Ended		6 Months Ended
	Jan. 04, 2016	Jan. 03, 2016	Dec. 31, 2015 USD ($)	Jun. 30, 2016 USD ($) subsidiary	Jun. 30, 2015	Jun. 30, 2016 USD ($) subsidiary $ / shares	Jun. 30, 2015 USD ($) $ / shares
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued [Abstract]
Unrecognized tax benefits			$ 25.4	$ 37.4		$ 37.4
Unrecognized tax benefits, income tax penalties and interest accrued			$ 1.2	$ 1.5		1.5
Effective Income Tax Rate Reconciliation, Amount [Abstract]
Effective income tax rate reconciliation, change in enacted tax rate, amount						$ 1.3
Effective Income Tax Rate Reconciliation, Percent [Abstract]
Effective income tax rate reconciliation, percent				1.00%	5.00%	2227.80%	9.90%
Effective income tax rate reconciliation, at federal statutory income tax rate, percent						35.00%
Israel Tax Authority [Member]
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued [Abstract]
Tax holiday inception date						2011
Effective income tax rate reconciliation corporate income tax rate	25.00%	26.50%	26.50%			25.00%
Effective Income Tax Rate Reconciliation, Amount [Abstract]
Income tax holiday, aggregate dollar amount						$ 21.0	$ 13.0
Income tax holiday, income tax benefits per share ( in USD per share) | $ / shares						$ 0.44	$ 0.27
Minimum [Member] | DENMARK [Member]
Effective Income Tax Rate Reconciliation, Amount [Abstract]
Open tax year						2011
Maximum [Member] | DENMARK [Member]
Effective Income Tax Rate Reconciliation, Amount [Abstract]
Open tax year						2015
Yokneam [Member] | Israel Tax Authority [Member]
Effective Income Tax Rate Reconciliation, Amount [Abstract]
Income tax holiday, termination date						2021
Tel Aviv [Member] | Minimum [Member] | Israel Tax Authority [Member]
Effective Income Tax Rate Reconciliation, Amount [Abstract]
Income tax holiday, termination date						2017
Tel Aviv [Member] | Maximum [Member] | Israel Tax Authority [Member]
Effective Income Tax Rate Reconciliation, Amount [Abstract]
Income tax holiday, termination date						2021
Israel Tax Authority [Member] | Israel Tax Authority [Member]
Effective Income Tax Rate Reconciliation, Amount [Abstract]
Number of subsidiaries | subsidiary				1		1
Israel Tax Authority [Member] | Minimum [Member]
Effective Income Tax Rate Reconciliation, Amount [Abstract]
Open tax year						2011
Israel Tax Authority [Member] | Maximum [Member]
Effective Income Tax Rate Reconciliation, Amount [Abstract]
Open tax year						2014
Tax Authority Foreign and Domestic [Member] | Minimum [Member]
Effective Income Tax Rate Reconciliation, Amount [Abstract]
Open tax year						2012
Tax Authority Foreign and Domestic [Member] | Maximum [Member]
Effective Income Tax Rate Reconciliation, Amount [Abstract]
Open tax year						2015
Domestic Tax Authority [Member] | Minimum [Member]
Effective Income Tax Rate Reconciliation, Amount [Abstract]
Open tax year						2002