Summary of Significant Accounting Policies - Schedule of Carrying Value of Goodwill, by Reporting Unit (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Goodwill
Goodwill	$ 2,360,978	$ 2,423,783
North American Records and Information Management Business
Goodwill
Goodwill	1,415,744	1,439,222
North American Records and Information Management Business | North American Records and Information Management
Goodwill
Goodwill	1,342,723	1,397,484
North American Records and Information Management Business | Intellectual Property Management
Goodwill
Goodwill		38,491
North American Records and Information Management Business | North America Secure Shredding
Goodwill
Goodwill	73,021
North American Records and Information Management Business | Fulfillment Services
Goodwill
Goodwill		3,247
North American Data Management Business
Goodwill
Goodwill	369,907	375,957
Corporate and Other
Goodwill
Goodwill	26,186	0
Corporate and Other | Emerging Businesses
Goodwill
Goodwill		0
Corporate and Other | Adjacent Business, Data Centers
Goodwill
Goodwill	0
Corporate and Other | Adjacent Business, Consumer Storage
Goodwill
Goodwill	4,636
Corporate and Other | Adjacent Business, Fine Arts
Goodwill
Goodwill	21,550
Western European Business
Goodwill
Goodwill	323,644	347,297
Western European Business | United Kingdom, Ireland, Norway
Goodwill
Goodwill	260,202
Western European Business | Continental Western Europe
Goodwill
Goodwill	63,442
Western European Business | Western Europe
Goodwill
Goodwill		354,049
Other International Business | Eastern Europe
Goodwill
Goodwill	87,378	87,408
Other International Business | Latin America
Goodwill
Goodwill	78,537	107,240
Other International Business | Australia and Singapore
Goodwill
Goodwill	47,786	55,779
Other International Business | Greater China
Goodwill
Goodwill	5,683	3,500
Other International Business | India
Goodwill
Goodwill	$ 6,113	0
Other International Business | Russia, Ukraine and Denmark
Goodwill
Goodwill		$ 628