XML 51 R32.htm IDEA: XBRL DOCUMENT v2.4.1.9
ASSET RETIREMENT OBLIGATIONS, CONTRACTUAL THIRD-PARTY RECLAMATION RECEIVABLES, AND RECLAMATION DEPOSITS (Tables)
 3 Months Ended
Mar. 31, 2015
Schedule of Available-for-sale Securities [Line Items]  
Summary of asset retirement obligations, contractual third-party reclamation receivables and reclamation deposits
The asset retirement obligation, contractual third-party reclamation receivable, and reclamation deposits for each of the Company’s operating segments at March 31, 2015 are summarized below:
 
Asset
Retirement
Obligation
 
Contractual
Third-Party
Reclamation
Receivable
 
Reclamation
Deposits
 
(In thousands)
Coal - U.S.
$
295,569

 
$
109,126

 
$
76,715

Coal - Canada
118,285

 
6,149

 
—

Coal - WMLP
32,569

 
—

 
—

Power
979

 
—

 
—

Total
$
447,402

 
$
115,275

 
$
76,715
Changes in Company's asset retirement obligations
Changes in the Company’s asset retirement obligations were as follows: 
 
Three Months Ended March 31,
 
2015
 
2014
 
(In thousands)
Asset retirement obligations, beginning of year (including current portion)
$
452,745

 
$
279,864

Accretion
9,701

 
5,836

Liabilities settled
(8,195
)
 
(4,437
)
Changes due to amount and timing of reclamation
336

 
—

Asset retirement obligations acquired
3,769

 
—

Changes due to foreign currency translation
(10,954
)
 
—

Asset retirement obligations, end of period
447,402

 
281,263

Less current portion
(48,024
)
 
(22,227
)
Asset retirement obligations, less current portion
$
399,378

 
$
259,036
Carrying value and estimated fair value of reclamation deposits
The Company’s carrying value and estimated fair value of its reclamation deposits at March 31, 2015 were as follows: 
 
Carrying Value
 
Fair Value
 
Fair Value Hierarchy
 
(In thousands)
 
 
Cash and cash equivalents
$
43,228

 
$
43,228

 
Level 1
Available-for-sale securities
33,487

 
33,487

 
Level 1
 
$
76,715

 
$
76,715


 
Available for sale reclamation deposits
The cost basis, gross unrealized holding gains and losses, and fair value of available-for-sale securities at March 31, 2015 were as follows (in thousands):
Cost basis
$
33,118

Gross unrealized holding gains
964

Gross unrealized holding losses
(595
)
Fair value
$
33,487
Reclamation Deposits  
Schedule of Available-for-sale Securities [Line Items]  
Investments Classified by Contractual Maturity Date
Maturities of available-for-sale securities were as follows at March 31, 2015:
 
Cost Basis
 
Fair Value
 
(In thousands)
Within one year
$
226

 
$
240

Due in five years or less
17,820

 
18,030

Due after five years to ten years
6,622

 
6,514

Due in more than ten years
8,450

 
8,703

 
$
33,118

 
$
33,487