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Income Taxes (Tables)
12 Months Ended
Dec. 31, 2012
Income Tax Disclosure [Abstract]  
Reconciliation of Beginning and Ending Liability for Unrecognized Tax Benefits
A reconciliation of the beginning and ending amount of the liability for unrecognized tax benefits is as follows:

($ in millions)
2012

2011

Balance at January 1
$
6.3

$
5.0

Additions for tax positions taken in the current year
0.7

1.3

Additions for tax positions of prior years

0.7

Reduction for expiration of statute of limitations/audits
(0.2
)
(0.7
)
Balance at December 31
$
6.8

$
6.3

Schedule of Components of Income Before Income Taxes
The components of income before income taxes are:

($ in millions)
2012

2011

2010

U.S. operations
$
8.9

$
15.8

$
7.2

International operations
99.7

76.9

67.3

Total income before income taxes
$
108.6

$
92.7

$
74.5

Schedule of Components of Income Tax Expense
The related provision for income taxes consists of:

($ in millions)
2012

2011

2010

Current:
 
 
 
Federal
$

$

$
0.6

State
0.2


0.2

International
27.2

20.6

14.6

Current income tax provision
27.4

20.6

15.4

Deferred:
 
 
 
Federal and state
3.3

2.7

(0.5
)
International
2.0

0.2

(1.3
)
Deferred income tax provision
5.3

2.9

(1.8
)
Income tax expense
$
32.7

$
23.5

$
13.6

Schedule of Deferred Tax Assets and Liabilities
The significant components of our deferred tax assets and liabilities at December 31 are:

($ in millions)
2012

2011

Deferred tax assets
 
 
Net operating loss carryforwards
$
21.1

$
21.7

Tax credit carryforwards
37.0

42.5

Restructuring and impairment charges
0.3

1.7

Pension and deferred compensation
69.8

62.3

Other
15.1

9.3

Valuation allowance
(20.4
)
(19.3
)
Total deferred tax assets
122.9

118.2

Deferred tax liabilities:
 
 
Accelerated depreciation
42.8

41.2

Other
3.9

6.5

Total deferred tax liabilities
46.7

47.7

Net deferred tax asset
$
76.2

$
70.5

Schedule of Effective Income Tax Rate Reconciliation
A reconciliation of the U.S. federal corporate tax rate to our effective consolidated tax rate on income before income taxes follows:
 
2012

2011

2010

U.S. federal corporate tax rate
35.0
 %
35.0
 %
35.0
 %
Tax on international operations less than U.S. tax rate
(5.9
)
(8.2
)
(11.0
)
Non-benefited losses
0.6


1.4

Reversal of prior valuation allowance

(0.1
)
(0.2
)
Reversal of reserves for unrecognized tax benefits
(0.2
)
(0.8
)
(3.0
)
U.S. tax on international earnings, net of foreign tax credits
(1.2
)
(1.5
)
(2.2
)
State income taxes, net of federal tax effect
(1.0
)
0.7

(1.6
)
General business credits and Section 199 Deduction
(1.5
)
(2.4
)
(1.5
)
Non-deductible debt premium
2.0



Other
2.4

2.6

1.4

Effective tax rate
30.2
 %
25.3
 %
18.3
 %