XML 50 R59.htm IDEA: XBRL DOCUMENT v2.4.1.9
Commitment and Contingencies - Narrative (Details) (USD $)
In Millions, unless otherwise specified
Mar. 31, 2015
Commitments and Contingencies Disclosure [Abstract]  
Outstanding letters of credit and surety bonds $ 113.2out_LettersofCreditandSuretyBondsAmountOutstanding