Restructuring Charges	3 Months Ended
Mar. 31, 2018
Restructuring and Related Activities [Abstract]
Restructuring charges	Restructuring Charges For the three months ended March 31, 2018, we recorded restructuring charges of $1.1 million, of which $0.6 million was recorded in Other for severance charges associated with the reorganization of our Sports Marketing operating segment management team and $0.5 million was recorded in our U.S. Media segment for severance charges associated with the reorganization of various departments. For the three months ended March 31, 2017, we recorded restructuring charges of $1.8 million in our U.S. Media segment for severance charges associated with the reorganization of our sales management functions. As of March 31, 2018, $4.3 million in restructuring reserves remain outstanding and is included in Other current liabilities on the Consolidated Statement of Financial Position.

The entire disclosure for restructuring and related activities. Description of restructuring activities such as exit and disposal activities, include facts and circumstances leading to the plan, the expected plan completion date, the major types of costs associated with the plan activities, total expected costs, the accrual balance at the end of the period, and the periods over which the remaining accrual will be settled.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 420
-URI http://asc.fasb.org/topic&trid=2175745

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