ÐÇ¿Õ´«Ã½

Annual report pursuant to Section 13 and 15(d)

BASIS OF PRESENTATION AND SIGNIFICANT ACCOUNTING POLICIES (Tables)

v3.10.0.1
BASIS OF PRESENTATION AND SIGNIFICANT ACCOUNTING POLICIES (Tables)
12 Months Ended
Dec. 31, 2018
Schedule Of Subsidiaries
The consolidated financial statements include our accounts and the accounts of our wholly owned subsidiaries, including the following iron ore operations at DecemberÌý31, 2018:
Name
Ìý
Location
Ìý
Status of Operations
Northshore
Ìý
Minnesota
Ìý
Active
United Taconite
Ìý
Minnesota
Ìý
Active
Tilden
Ìý
Michigan
Ìý
Active
Empire
Ìý
Michigan
Ìý
Indefinitely Idled
Depreciation Disclosure [Table Text Block]
Depreciation and depletion is provided over the following estimated useful lives:
Asset Class
Ìý
Basis
Ìý
Life
Office and information technology
Ìý
Straight line
Ìý
3 to 15 years
Buildings
Ìý
Straight line
Ìý
45 years
Mining equipment
Ìý
Straight line/Double declining balance
Ìý
3ÌýtoÌý20Ìýyears
Processing equipment
Ìý
Straight line
Ìý
10 to 45 years
Electric power facilities
Ìý
Straight line
Ìý
10 to 45 years
Land improvements
Ìý
Straight line
Ìý
20 to 45 years
Asset retirement obligation
Ìý
Straight line
Ìý
Life of mine
Mineral rights
Ìý
Units of production
Ìý
Life of mine
Estimated Useful Lives Of Intangible Assets Subject To Periodic Amortization On Straight Line Basis Table [Text Block]
Our mine permits are subject to periodic amortization on a straight line basis over their estimated useful life, which corresponds with the life of mine.
Contract with Customer, Asset and Liability [Table Text Block]
The table below summarizes our deferred revenue balances:
Ìý
(In Millions)
Ìý
Deferred Revenue (Current)1
Ìý
Deferred Revenue (Long-Term)
Ìý
Year Ended
December 31,
Ìý
Year Ended
December 31,
Ìý
2018
Ìý
2017
Ìý
2018
Ìý
2017
Opening balance as of January 1
$
23.8

Ìý
$
16.2

Ìý
$
51.4

Ìý
$
64.3

Closing balance as of December 31
21.0

Ìý
22.4

Ìý
38.5

Ìý
51.4

Increase (Decrease)
$
(2.8
)
Ìý
$
6.2

Ìý
$
(12.9
)
Ìý
$
(12.9
)
Ìý
Ìý
Ìý
Ìý
Ìý
Ìý
Ìý
Ìý
1ÌýThe opening balance for the year ended December 31, 2018 includes a $1.4 million adjustment from the December 31, 2017 balance due to the adoption of Topic 606.
Reimbursements Revenue Disclosure [Table Text Block]
The following table is a summary of reimbursements in our operations:
Ìý
Ìý
(In Millions)
Ìý
Ìý
Year Ended December 31,
Ìý
Ìý
2018
Ìý
2017
Ìý
2016
Reimbursements for:
Ìý
Ìý
Ìý
Ìý
Ìý
Ìý
Freight
Ìý
$
160.1

Ìý
$
166.7

Ìý
$
106.8

Venture partners’ cost
Ìý
—

Ìý
54.7

Ìý
68.0

Total reimbursements
Ìý
$
160.1

Ìý
$
221.4

Ìý
$
174.8


Foreign Currency Transaction [Table Text Block]
The following represents the net gain (loss) related to impact of transaction gains and losses from continuing operations resulting from remeasurement:
Ìý
Ìý
(In Millions)
Ìý
Ìý
2018
Ìý
2017
Ìý
2016
Remeasurement of intercompany loans
Ìý
$
(0.7
)
Ìý
$
16.6

Ìý
$
(16.6
)
Other remeasurement
Ìý
(0.2
)
Ìý
(2.7
)
Ìý
(1.2
)
Total
Ìý
$
(0.9
)
Ìý
$
13.9

Ìý
$
(17.8
)