Acquisitions (Details) (USD $) In Thousands, unless otherwise specified	1 Months Ended	0 Months Ended	1 Months Ended
	Jun. 30, 2013 Storage rental and records management and data protection business in Brazil	May 31, 2013 Storage rental and records management business in Texas	Sep. 30, 2013 Storage rental and records management and data protection business in Columbia	Sep. 30, 2013 Storage rental and records management and data protection business in Peru
Business Acquisition
Purchase price	$ 29,000	$ 25,000	$ 54,000	$ 16,000
Portion of purchase price for acquisition that was deposited in escrow	$ 2,900	$ 1,600