XML 62 R45.htm IDEA: XBRL DOCUMENT v3.10.0.1
Income Taxes (Tables)
12 Months Ended
Dec. 31, 2018
Income Tax Disclosure [Abstract]  
Schedule of Income Tax Provision
The income tax provision was as follows (in millions):
Year Ended December 31,
 
2018
 
2017
 
2016
Current:
 
 
 
 
 
 
Federal
 
$
30.3

 
$
95.1

 
$
68.1

State
 
11.5

 
16.9

 
13.8

 
 
41.8


112.0


81.9

Deferred:
 
 
 
 
 
 
Federal
 
20.4

 
(14.2
)
 
4.9

State
 
9.6

 
4.1

 
(0.4
)
 
 
30.0

 
(10.1
)
 
4.5

Total
 
$
71.8

 
$
101.9

 
$
86.4

Schedule of Effective Income Tax Rate Reconciliation
The reconciliation between amounts computed using the federal income tax rate of 21% in 2018 and 35% in all other years and our income tax provision is shown in the following tabulation (in millions):
Year Ended December 31,
 
2018
 
2017
 
2016
Federal tax provision at statutory rate
 
$
70.9

 
$
121.5

 
$
99.2

State taxes, net of federal income tax benefit
 
16.1

 
13.3

 
10.8

Equity investment basis difference
 

 

 
9.5

Non-deductible items
 
1.5

 
1.3

 
1.4

Permanent differences related to stock-based compensation
 
(0.1
)
 
(0.8
)
 
0.1

Net change in valuation allowance
 
0.5

 
0.3

 
(5.1
)
General business credits
 
(1.1
)
 
(0.9
)
 
(28.0
)
Deferred revaluation for change in statutory tax rate
 
(15.8
)
 
(32.9
)
 

Other
 
(0.2
)
 
0.1

 
(1.5
)
Income tax provision
 
$
71.8

 
$
101.9

 
$
86.4

Schedule of Deferred Tax Assets and Liabilities
Individually significant components of the deferred tax assets and (liabilities) are presented below (in millions):
December 31,
 
2018
 
2017
Deferred tax assets:
 
 
 
 
Deferred revenue and cancellation reserves
 
$
47.2

 
$
39.4

Allowances and accruals, including state NOL carryforward amounts
 
40.8

 
36.3

Credits and other
 
0.3

 
1.1

Valuation allowance
 
(1.1
)
 
(0.6
)
Total deferred tax assets
 
87.2

 
76.2

 
 
 
 
 
Deferred tax liabilities:
 
 
 
 
Inventories
 
(42.0
)
 
(20.9
)
Goodwill
 
(48.2
)
 
(35.0
)
Property and equipment, principally due to differences in depreciation
 
(78.0
)
 
(73.4
)
Prepaid expenses and other
 
(10.2
)
 
(3.2
)
Total deferred tax liabilities
 
(178.4
)
 
(132.5
)
Total
 
$
(91.2
)
 
$
(56.3
)
Summary of Open Tax Years
Open tax years at December 31, 2018 included the following:
Federal
2015 - 2018
20 states
2014 - 2018