Restructuring Charges (Narrative) (Details)	Dec. 31, 2011 Closed Restructuring Program employees Locations	Dec. 31, 2007 Closed Restructuring Program Locations employees	Mar. 31, 2014 RSC Merger Related Restructuring Program Locations employees
Restructuring Cost and Reserve
Employee headcount	7,500	10,900	11,800
Number of locations	529	697	839