CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (UNAUDITED) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME [Abstract]
Net income	$ 170,301	$ 170,470	$ 548,759	$ 532,000
Other comprehensive income (loss), net of tax:
Foreign currency translation adjustment, net of tax	(18,311)	23,471	(13,168)	(2,095)
Pension liability adjustment, net of tax	518	844	1,467	2,826
Comprehensive income	152,508	194,785	537,058	532,731
Less: comprehensive income attributable to noncontrolling interests	38,867	41,509	135,168	135,317
Comprehensive income attributable to SNI	$ 113,641	$ 153,276	$ 401,890	$ 397,414