Annual report pursuant to Section 13 and 15(d)

Related Parties (Details)

v3.2.0.727
Related Parties (Details) - USD ($)
$ in Millions
12 Months Ended
May. 31, 2015
May. 31, 2014
May. 31, 2013
EMC Corporation [Member]      
Related Party Transaction [Line Items]      
Purchases from related parties $ 6.9 $ 4.7 $ 6.5
Staples, Inc. [Member]      
Related Party Transaction [Line Items]      
Purchases from related parties $ 1.7 $ 1.3 $ 1.6