Acquisitions (Details) (USD $) In Thousands, unless otherwise specified	1 Months Ended		3 Months Ended	1 Months Ended
	Jan. 31, 2014 Tape Management Services Pty Ltd	Feb. 28, 2014 RM Arsiv Yonetim Hizmetleri Ticaret Anonim Sirketi	Mar. 31, 2014 RM Arsiv Yonetim Hizmetleri Ticaret Anonim Sirketi	Apr. 30, 2014 OSG Polska sp.z.o.o
Business Acquisition
Purchase price	$ 15,300	$ 21,200		$ 13,700
Cash paid			$ 16,750