Commitments and Contingencies (Narrative) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013
Unrecorded Unconditional Purchase Obligation, Due Within One Year	$ 122,560
Unrecorded Unconditional Purchase Obligation, Due after Five Years	11,938
Guarantees, Future Minimum Payments, Due In One Year	60,179
Contractual Obligation, Due Within One Year	33,549
Contractual Obligation, Due Within Two To Three Years	12,471
Contractual Obligation, Due Within Four To Five Years	3,165
Contractual Obligation, Due after Fifth Year	2,560
Damages Sought In Compensation-related Claims	11,000
Due Within Two To Three Years From The Balance Sheet Date [Member]
Unrecorded Unconditional Purchase Obligation	24,963
Due Within Four To Five Years From Balance Sheet Date [Member]
Unrecorded Unconditional Purchase Obligation	$ 14,355