|
Unrecorded Unconditional Purchase Obligation (Details) (USD $)
In Thousands, unless otherwise specified
|
Jun. 30, 2013
|
| Unrecorded Unconditional Purchase Obligation [Line Items] |
|
| Guarantor Obligations, Maximum Exposure, Undiscounted |
$ 1,099,252 |
|
Purchase Commitment [Member]
|
|
| Unrecorded Unconditional Purchase Obligation [Line Items] |
|
| Less than 1 year |
258,380 |
| 1 - 3 years |
164,240 |
| 3 - 5 years |
131,751 |
| More than 5 years |
405,934 |
| Total Purchase Obligations |
960,305 |
|
Balance on First Anniversary [Member]
|
|
| Unrecorded Unconditional Purchase Obligation [Line Items] |
|
| Guarantor Obligations, Maximum Exposure, Undiscounted |
935,185 |
|
More Than One And Within Three Years From Balance Sheet Date [Member]
|
|
| Unrecorded Unconditional Purchase Obligation [Line Items] |
|
| Guarantor Obligations, Maximum Exposure, Undiscounted |
164,066 |
|
More Than Three And Within Five Years From Balance Sheet Date [Member]
|
|
| Unrecorded Unconditional Purchase Obligation [Line Items] |
|
| Guarantor Obligations, Maximum Exposure, Undiscounted |
0 |
|
Beyond Five Years of Balance Sheet Date [Member]
|
|
| Unrecorded Unconditional Purchase Obligation [Line Items] |
|
| Guarantor Obligations, Maximum Exposure, Undiscounted |
1 |
|
Standby Letters of Credit [Member]
|
|
| Unrecorded Unconditional Purchase Obligation [Line Items] |
|
| Guarantor Obligations, Maximum Exposure, Undiscounted |
329,697 |
|
Standby Letters of Credit [Member] | Balance on First Anniversary [Member]
|
|
| Unrecorded Unconditional Purchase Obligation [Line Items] |
|
| Guarantor Obligations, Maximum Exposure, Undiscounted |
181,428 |
|
Standby Letters of Credit [Member] | More Than One And Within Three Years From Balance Sheet Date [Member]
|
|
| Unrecorded Unconditional Purchase Obligation [Line Items] |
|
| Guarantor Obligations, Maximum Exposure, Undiscounted |
148,269 |
|
Standby Letters of Credit [Member] | More Than Three And Within Five Years From Balance Sheet Date [Member]
|
|
| Unrecorded Unconditional Purchase Obligation [Line Items] |
|
| Guarantor Obligations, Maximum Exposure, Undiscounted |
0 |
|
Standby Letters of Credit [Member] | Beyond Five Years of Balance Sheet Date [Member]
|
|
| Unrecorded Unconditional Purchase Obligation [Line Items] |
|
| Guarantor Obligations, Maximum Exposure, Undiscounted |
0 |
|
Surety Bonds [Member]
|
|
| Unrecorded Unconditional Purchase Obligation [Line Items] |
|
| Guarantor Obligations, Maximum Exposure, Undiscounted |
769,555 |
|
Surety Bonds [Member] | Balance on First Anniversary [Member]
|
|
| Unrecorded Unconditional Purchase Obligation [Line Items] |
|
| Guarantor Obligations, Maximum Exposure, Undiscounted |
753,757 |
|
Surety Bonds [Member] | More Than One And Within Three Years From Balance Sheet Date [Member]
|
|
| Unrecorded Unconditional Purchase Obligation [Line Items] |
|
| Guarantor Obligations, Maximum Exposure, Undiscounted |
15,797 |
|
Surety Bonds [Member] | More Than Three And Within Five Years From Balance Sheet Date [Member]
|
|
| Unrecorded Unconditional Purchase Obligation [Line Items] |
|
| Guarantor Obligations, Maximum Exposure, Undiscounted |
0 |
|
Surety Bonds [Member] | Beyond Five Years of Balance Sheet Date [Member]
|
|
| Unrecorded Unconditional Purchase Obligation [Line Items] |
|
| Guarantor Obligations, Maximum Exposure, Undiscounted |
1 |
|
Employee Related Commitments [Member] | Standby Letters of Credit [Member]
|
|
| Unrecorded Unconditional Purchase Obligation [Line Items] |
|
| Guarantor Obligations, Maximum Exposure, Undiscounted |
190,157 |
|
Employee Related Commitments [Member] | Standby Letters of Credit [Member] | Balance on First Anniversary [Member]
|
|
| Unrecorded Unconditional Purchase Obligation [Line Items] |
|
| Guarantor Obligations, Maximum Exposure, Undiscounted |
95,847 |
|
Employee Related Commitments [Member] | Standby Letters of Credit [Member] | More Than One And Within Three Years From Balance Sheet Date [Member]
|
|
| Unrecorded Unconditional Purchase Obligation [Line Items] |
|
| Guarantor Obligations, Maximum Exposure, Undiscounted |
94,310 |
|
Employee Related Commitments [Member] | Standby Letters of Credit [Member] | More Than Three And Within Five Years From Balance Sheet Date [Member]
|
|
| Unrecorded Unconditional Purchase Obligation [Line Items] |
|
| Guarantor Obligations, Maximum Exposure, Undiscounted |
0 |
|
Employee Related Commitments [Member] | Standby Letters of Credit [Member] | Beyond Five Years of Balance Sheet Date [Member]
|
|
| Unrecorded Unconditional Purchase Obligation [Line Items] |
|
| Guarantor Obligations, Maximum Exposure, Undiscounted |
0 |
|
Employee Related Commitments [Member] | Surety Bonds [Member]
|
|
| Unrecorded Unconditional Purchase Obligation [Line Items] |
|
| Guarantor Obligations, Maximum Exposure, Undiscounted |
204,884 |
|
Employee Related Commitments [Member] | Surety Bonds [Member] | Balance on First Anniversary [Member]
|
|
| Unrecorded Unconditional Purchase Obligation [Line Items] |
|
| Guarantor Obligations, Maximum Exposure, Undiscounted |
194,884 |
|
Employee Related Commitments [Member] | Surety Bonds [Member] | More Than One And Within Three Years From Balance Sheet Date [Member]
|
|
| Unrecorded Unconditional Purchase Obligation [Line Items] |
|
| Guarantor Obligations, Maximum Exposure, Undiscounted |
10,000 |
|
Employee Related Commitments [Member] | Surety Bonds [Member] | More Than Three And Within Five Years From Balance Sheet Date [Member]
|
|
| Unrecorded Unconditional Purchase Obligation [Line Items] |
|
| Guarantor Obligations, Maximum Exposure, Undiscounted |
0 |
|
Employee Related Commitments [Member] | Surety Bonds [Member] | Beyond Five Years of Balance Sheet Date [Member]
|
|
| Unrecorded Unconditional Purchase Obligation [Line Items] |
|
| Guarantor Obligations, Maximum Exposure, Undiscounted |
0 |
|
Environment Related Commitments [Member] | Standby Letters of Credit [Member]
|
|
| Unrecorded Unconditional Purchase Obligation [Line Items] |
|
| Guarantor Obligations, Maximum Exposure, Undiscounted |
56,294 |
|
Environment Related Commitments [Member] | Standby Letters of Credit [Member] | Balance on First Anniversary [Member]
|
|
| Unrecorded Unconditional Purchase Obligation [Line Items] |
|
| Guarantor Obligations, Maximum Exposure, Undiscounted |
54,566 |
|
Environment Related Commitments [Member] | Standby Letters of Credit [Member] | More Than One And Within Three Years From Balance Sheet Date [Member]
|
|
| Unrecorded Unconditional Purchase Obligation [Line Items] |
|
| Guarantor Obligations, Maximum Exposure, Undiscounted |
1,728 |
|
Environment Related Commitments [Member] | Standby Letters of Credit [Member] | More Than Three And Within Five Years From Balance Sheet Date [Member]
|
|
| Unrecorded Unconditional Purchase Obligation [Line Items] |
|
| Guarantor Obligations, Maximum Exposure, Undiscounted |
0 |
|
Environment Related Commitments [Member] | Standby Letters of Credit [Member] | Beyond Five Years of Balance Sheet Date [Member]
|
|
| Unrecorded Unconditional Purchase Obligation [Line Items] |
|
| Guarantor Obligations, Maximum Exposure, Undiscounted |
0 |
|
Environment Related Commitments [Member] | Surety Bonds [Member]
|
|
| Unrecorded Unconditional Purchase Obligation [Line Items] |
|
| Guarantor Obligations, Maximum Exposure, Undiscounted |
533,725 |
|
Environment Related Commitments [Member] | Surety Bonds [Member] | Balance on First Anniversary [Member]
|
|
| Unrecorded Unconditional Purchase Obligation [Line Items] |
|
| Guarantor Obligations, Maximum Exposure, Undiscounted |
527,938 |
|
Environment Related Commitments [Member] | Surety Bonds [Member] | More Than One And Within Three Years From Balance Sheet Date [Member]
|
|
| Unrecorded Unconditional Purchase Obligation [Line Items] |
|
| Guarantor Obligations, Maximum Exposure, Undiscounted |
5,787 |
|
Environment Related Commitments [Member] | Surety Bonds [Member] | More Than Three And Within Five Years From Balance Sheet Date [Member]
|
|
| Unrecorded Unconditional Purchase Obligation [Line Items] |
|
| Guarantor Obligations, Maximum Exposure, Undiscounted |
0 |
|
Environment Related Commitments [Member] | Surety Bonds [Member] | Beyond Five Years of Balance Sheet Date [Member]
|
|
| Unrecorded Unconditional Purchase Obligation [Line Items] |
|
| Guarantor Obligations, Maximum Exposure, Undiscounted |
0 |
|
Other Commitments [Member] | Standby Letters of Credit [Member]
|
|
| Unrecorded Unconditional Purchase Obligation [Line Items] |
|
| Guarantor Obligations, Maximum Exposure, Undiscounted |
83,246 |
|
Other Commitments [Member] | Standby Letters of Credit [Member] | Balance on First Anniversary [Member]
|
|
| Unrecorded Unconditional Purchase Obligation [Line Items] |
|
| Guarantor Obligations, Maximum Exposure, Undiscounted |
31,015 |
|
Other Commitments [Member] | Standby Letters of Credit [Member] | More Than One And Within Three Years From Balance Sheet Date [Member]
|
|
| Unrecorded Unconditional Purchase Obligation [Line Items] |
|
| Guarantor Obligations, Maximum Exposure, Undiscounted |
52,231 |
|
Other Commitments [Member] | Standby Letters of Credit [Member] | More Than Three And Within Five Years From Balance Sheet Date [Member]
|
|
| Unrecorded Unconditional Purchase Obligation [Line Items] |
|
| Guarantor Obligations, Maximum Exposure, Undiscounted |
0 |
|
Other Commitments [Member] | Standby Letters of Credit [Member] | Beyond Five Years of Balance Sheet Date [Member]
|
|
| Unrecorded Unconditional Purchase Obligation [Line Items] |
|
| Guarantor Obligations, Maximum Exposure, Undiscounted |
0 |
|
Other Commitments [Member] | Surety Bonds [Member]
|
|
| Unrecorded Unconditional Purchase Obligation [Line Items] |
|
| Guarantor Obligations, Maximum Exposure, Undiscounted |
30,946 |
|
Other Commitments [Member] | Surety Bonds [Member] | Balance on First Anniversary [Member]
|
|
| Unrecorded Unconditional Purchase Obligation [Line Items] |
|
| Guarantor Obligations, Maximum Exposure, Undiscounted |
30,935 |
|
Other Commitments [Member] | Surety Bonds [Member] | More Than One And Within Three Years From Balance Sheet Date [Member]
|
|
| Unrecorded Unconditional Purchase Obligation [Line Items] |
|
| Guarantor Obligations, Maximum Exposure, Undiscounted |
10 |
|
Other Commitments [Member] | Surety Bonds [Member] | More Than Three And Within Five Years From Balance Sheet Date [Member]
|
|
| Unrecorded Unconditional Purchase Obligation [Line Items] |
|
| Guarantor Obligations, Maximum Exposure, Undiscounted |
0 |
|
Other Commitments [Member] | Surety Bonds [Member] | Beyond Five Years of Balance Sheet Date [Member]
|
|
| Unrecorded Unconditional Purchase Obligation [Line Items] |
|
| Guarantor Obligations, Maximum Exposure, Undiscounted |
$ 1 |