Other Income (Loss) - Additional Information (Detail) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2014
Schedule Of Equity Method Investments [Line Items]
Gain (loss) on sales / distributions of ownership interests	$ 811
Active Network Inc
Schedule Of Equity Method Investments [Line Items]
Gain (loss) on sales / distributions of ownership interests	300
White Fence
Schedule Of Equity Method Investments [Line Items]
Gain (loss) on sales / distributions of ownership interests	$ 500