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Bank Revolving Credit Facility (Tables)
 11 Months Ended
Dec. 31, 2013
Debt Disclosure [Abstract]  
Available Credit on the Bank Revolving Credit Facility
The following table summarizes the available credit on the Credit Facility:
 
December 31, 2013
January 31, 2013
 
(in thousands)
Maximum borrowings
$
500,000

$
450,000

Less outstanding balances and reserves:
 
 
Borrowings
—

—

Letters of credit
59,760

67,456

Surety bonds
—

—

Available credit
$
440,240

$
382,544