Acquisitions (Narrative) (Details) (SDG, USD $)	1 Months Ended	3 Months Ended	12 Months Ended			6 Months Ended		6 Months Ended		1 Months Ended
	Nov. 30, 2013	Jan. 31, 2013	Jan. 31, 2013	Apr. 30, 2013	Nov. 02, 2012	Jul. 31, 2013 Customer and Vendor Relationship	Nov. 02, 2012 Customer and Vendor Relationship	Jul. 31, 2013 Preferred Supplier Agreement	Nov. 02, 2012 Preferred Supplier Agreement	Nov. 30, 2013 Minimum	Nov. 30, 2013 Maximum
Business Acquisition [Line Items]
Consideration transferred				$ 358,000,000
Annual supply commitment, period of commitment	6 years	5 years
Annual supply commitment, incremental sales			500,000,000							450,000,000	475,000,000
Identifiable intangible assets					134,300,000		103,100,000
Identifiable intangible assets									$ 31,200,000
Acquired finite lived intangible assets, useful life (in years)						10 years		5 years