Marketing Fee (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Dec. 31, 2013
Marketing Fee [Abstract]
Marketing fee receivable	$ 8,977	$ 8,869
Marketing fee payable	$ 9,455	$ 9,442

This element represents marketing fees assessed on certain trades taking place at the exchange, marketing fees are made available to designated primary market makers and preferred market makers as an economic inducement to route orders. Marketing fee assessments and payments are reflected on a net basis, with no impact on revenues or expenses.

No definition available.

Name:	cboe_MarketingFeeReceivableCurrent
Namespace Prefix:	cboe_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant