Accounts and Notes Receivable and Allowance for Credit Losses (Tables)

12 Months Ended

Dec. 31, 2012

Receivables [Abstract]

Contractual Amounts Due Under Leases

The contractual amounts due under the leases we retained as of December 31, 2012 were as follows (table in thousands):

Year	Contractual Amounts Due Under Leases
Due within one year	$	137,323
Due within two years	100,019
Due within three years	91,253
Thereafter	192
Total	328,787
Less amounts representing interest	(6,376		)
Present value	322,411
Current portion (included in accounts and notes receivable)	135,399
Long-term portion (included in other assets, net)	$	187,012

Allowance for Credit Losses

The following table presents the activity of our allowance for credit losses related to lease receivables for the years ended December 31, 2012 and 2011 (table in thousands):

	December 31, 2012			December 31, 2011
Balance, beginning of the period	$	24,247		$	44,661
Recoveries	(15,357		)	(31,531		)
Provisions	7,887			11,117
Balance, end of the period	$	16,777		$	24,247