XML 54 R54.htm IDEA: XBRL DOCUMENT v2.4.0.8
Commitments and Contingencies Unconditional Purchase Obligations (Details) (USD $)
Nov. 30, 2013
Unrecorded Unconditional Purchase Obligation [Line Items]  
Unrecorded Unconditional Purchase Obligation, Minimum Amount Required $ 454,500,000
Unrecorded Unconditional Purchase Obligation, Long-Term 530,640,000
Unrecorded Unconditional Purchase Obligation, Long-Term, Due in Next Twelve Months 57,412,000
Unrecorded Unconditional Purchase Obligation, Long-Term, Due Within Two to Three Years 142,737,000
Unrecorded Unconditional Purchase Obligation, Long-Term, Due Within Four to Five Years 88,933,000
Unrecorded Unconditional Purchase Obligation, Long-Term, Due after Five Years $ 241,558,000