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FINANCIAL INSTRUMENTS: (Tables)
 9 Months Ended
Sep. 30, 2014
FINANCIAL INSTRUMENTS:  
Schedule of carrying amount and estimated fair values of the Company's financial instruments

Consequently, such financial instruments are not included in the following table that provides information about the carrying amounts and estimated fair values of other financial instruments that are not measured at fair value in the condensed consolidated balance sheet as of September 30, 2014 and December 31, 2013 (in millions):

 

 

 

At September 30, 2014

 

At December 31, 2013

 

 

 

Carrying Value

 

Fair Value

 

Carrying Value

 

Fair Value

 

Liabilities:

 

 

 

 

 

 

 

 

 

Long-term debt

 

$

4,205.7

 

$

4,538.8

 

$

4,204.9

 

$

4,088.8

 
Schedule of fair values of assets and liabilities measured at fair value on a recurring basis

 

 

 

Fair Value at Measurement Date Using:

 

Fair Value at Measurement Date Using:

 

Description

 

Fair Value
as of
September
30, 2014

 

Quoted
prices in
active
markets for
identical
assets
(Level 1)

 

Significant
other
observable
inputs
(Level 2)

 

Significant
unobservable
inputs
(Level 3)

 

Fair Value
as of
December
31, 2013

 

Quoted
prices in
active
markets for
identical
assets
(Level 1)

 

Significant
other
observable
inputs
(Level 2)

 

Significant
unobservable
inputs
(Level 3)

 

Assets:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Short-term investment:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

- Trading securities

 

$

202.8

 

$

202.8

 

—

 

—

 

$

202.6

 

$

202.6

 

—

 

—

 

- Available for sale debt securities:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Corporate bonds

 

0.4

 

—

 

$

0.4

 

—

 

0.4

 

—

 

$

0.4

 

—

 

Asset backed obligations

 

—

 

—

 

—

 

—

 

0.1

 

—

 

0.1

 

—

 

Mortgage backed securities

 

4.8

 

—

 

4.8

 

—

 

5.2

 

—

 

5.2

 

—

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Accounts receivable:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

- Derivatives — Not classified as hedges:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Provisionally priced sales:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Copper

 

105.4

 

105.4

 

—

 

—

 

53.9

 

53.9

 

—

 

—

 

Molybdenum

 

117.1

 

117.1

 

—

 

—

 

100.2

 

100.2

 

—

 

—

 

Total

 

$

430.5

 

$

425.3

 

$

5.2

 

$

—

 

$

362.4

 

$

356.7

 

$

5.7

 

$

—