Other - Narrative (Details) - USD ($) $ in Thousands	1 Months Ended	3 Months Ended
	Apr. 30, 2016	Mar. 31, 2016	Mar. 31, 2015
Restructuring Cost and Reserve [Line Items]
Restructuring expenses		$ 3,982	$ 0
Revaluation of redeemable noncontrolling interest		$ (12,541)	$ (586)
HYFN Inc [Member]
Restructuring Cost and Reserve [Line Items]
Noncontrolling interest, ownership percentage by parent (percentage)		50.10%
Revaluation of redeemable noncontrolling interest		$ 12,100
Subsequent Event [Member] | HYFN Inc [Member]
Restructuring Cost and Reserve [Line Items]
Purchase price	$ 35,000
One-time compensation expense related to the transaction	7,000
Total cash outflow	$ 42,000
Digital Restructuring Plan [Member]
Restructuring Cost and Reserve [Line Items]
Expected savings related to restructuring		14,700
Restructuring expenses		2,456
WAGT Restructuring [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring expenses		1,526
Severance Charges [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring expenses		2,364
Severance Charges [Member] | Digital Restructuring Plan [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring expenses		1,826
Severance Charges [Member] | WAGT Restructuring [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring expenses		538
Contract Termination [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring expenses		802
Contract Termination [Member] | Digital Restructuring Plan [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring expenses		630
Contract Termination [Member] | WAGT Restructuring [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring expenses		$ 172