Description of Business (Details)	Dec. 31, 2015
Number of Countries in which Entity Operates	50
Number of Stores	70
Entity Number of Employees	4,400

The number of countries in which the entity operates as of balance sheet date.

No definition available.

Name:	us-gaap_NumberOfCountriesInWhichEntityOperates
Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant