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Income Tax Matters | 6 Months Ended
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Jun. 30, 2016
Income Tax Disclosure [Abstract] |
Income Tax Matters | Income Tax Matters The provision for (benefit from) in comes taxes for each period presented consisted of the following (in millions of dollars):
| Quarter Ended |  | Six Months Ended
| June 30, |  | June 30,
| 2016 |  | 2015 |  | 2016 |  | 2015
Domestic | $ | 15.5 |  |  | $ | 13.4 |  |  | $ | 30.4 |  |  | $ | (162.4 | )
Foreign | 0.2 |  |  | (1.4 | ) |  | 0.4 |  |  | (1.4 | )
Total | $ | 15.7 |  |  | $ | 12.0 |  |  | $ | 30.8 |  |  | $ | (163.8 | )
The income tax provision for the quarters ended June 30, 2016 and June 30, 2015 was $15.7 million and $12.0 million, reflecting an effective tax rate of 37.7% and 37.2%, respectively. There was no material difference between the effective tax rate and the projected blended statutory tax rate for the quarter ended June 30, 2016. The difference between the effective tax rate and the projected blended statutory tax rate for the quarter ended June 30, 2015 was due primarily to an increase in the valuation allowance of $1.9 million, resulting in a 5.8% increase in the effective tax rate. This increase in the valuation allowance was due to unutilized state NOL carryforwards that are expected to expire. This was partially offset by a decrease in unrecognized tax benefits, including interest and penalties, of $1.8 million, resulting in a 5.4% decrease in the effective tax rate. The decrease in unrecognized tax benefits was a result of a decrease in prior year positions. The income tax provision (benefit) for the six months ended June 30, 2016 and June 30, 2015 was $30.8 million and $(163.8) million, reflecting an effective tax rate of 37.1% and 37.6%, respectively. There was no material difference between the effective tax rate and the projected blended statutory tax rate for the six months ended June 30, 2016 and June 30, 2015. The $(163.8) million income tax benefit for the six months ended June 30, 2015 included a $184.4 million tax benefit that was recorded as a result of removing the Union VEBA net assets and related deferred tax liabilities from our consolidated financial statements. See Note 5 for additional information regarding employee benefits. Our gross unrecognized benefits relating to uncertain tax positions were $1.7 million at June 30, 2016 and December 31, 2015, respectively, of which, $0.6 million would be recorded through our income tax provision and thus impact the effective tax rate at June 30, 2016 and December 31, 2015, respectively, if the gross unrecognized tax benefits were to be recognized. We do not expect our gross unrecognized tax benefits to significantly change within the next 12 months. ASU No. 2016-09, Compensation - Stock Compensation (Topic 718): Improvements to Employee Share-Based Payment Accounting, was issued and early adopted in March 2016. ASU 2016-09 eliminates additional paid in capital ("APIC") pools and requires excess tax benefits and tax deficiencies to be recorded in the income statement when the awards vest or are settled. In addition, modified retrospective adoption of ASC 2016-09 eliminates the requirement that excess tax benefits be realized (i.e., through a reduction in income taxes payable) before we can recognize them and therefore, we have recorded a cumulative-effect adjustment of $0.7 million through Retained earnings and Deferred tax assets – net during the first quarter of 2016 to record excess tax benefits not previously recognized. Tax Asset Protection Rights Agreement. On April 7, 2016, our Board of Directors adopted a tax asset protection rights plan ("Tax Asset Rights Plan"), designed to preserve our ability to utilize our net operating loss ("NOL") carryforwards and other significant tax attributes (collectively, "Tax Benefits") to offset future taxable income in the United States, and declared a dividend of one preferred share purchase right ("Right") for each outstanding share of our common stock. Our stockholders approved the Tax Asset Rights Plan at our 2016 Annual Meeting of Stockholders on May 26, 2016. In general terms, the Tax Asset Rights Plan imposes a significant penalty upon any person or group that acquires beneficial ownership (defined generally as direct or constructive ownership as determined under Section 382 of the Code) of 4.99% or more of the outstanding Common Stock without the prior approval of our Board of Directors. Any Rights held by a person or group that acquires a percentage of Common Stock in excess of that threshold ("Acquiring Person") are void and may not be exercised. If the Rights become exercisable, each Right would allow its holder to purchase from us one one-hundredth of a share of our Series A Junior Participating Preferred Stock ("Series A Preferred Stock") for a purchase price of $400.00. Each fractional share of Series A Preferred Stock would give the stockholder approximately the same dividend, voting and liquidation rights as does one share of our common stock. Prior to exercise, however, a Right does not give its holder any dividend, voting or liquidation rights. The Rights will not be exercisable until the earlier of: (i) 10 days after a public announcement by us that a person or group has become an Acquiring Person and (ii) 10 business days (or a later date determined by our Board of Directors) after a person or group begins a tender or exchange offer that, if completed, would result in that person or group becoming an Acquiring Person. Until the date that the Rights become exercisable ("Distribution Date"), our common stock certificates will also evidence the Rights and will contain a notation to that effect. Any transfer of shares of our common stock prior to the Distribution Date will constitute a transfer of the associated Rights. After the Distribution Date, the Rights will separate from our common stock and be evidenced by Right certificates, which we will mail to all holders of Rights that have not become void. After the Distribution Date, if a person or group already is or becomes an Acquiring Person, all holders of Rights, except the Acquiring Person, may exercise their Rights upon payment of the purchase price to purchase shares of our common stock (or other securities or assets as determined by the Board) with a market value of two times the purchase price ("Flip-in Event"). After the Distribution Date, if a Flip-in Event has already occurred and we are acquired in a merger or similar transaction, all holders of Rights except the Acquiring Person may exercise their Rights upon payment of the purchase price, to purchase shares of the acquiring or other appropriate entity with a market value of two times the purchase price of the Rights. Rights may be exercised to purchase Series A Preferred Stock only after the Distribution Date occurs and prior to the occurrence of a Flip-in Event as described above. A Distribution Date resulting from the commencement of a tender offer or exchange offer as described in (ii) above could precede the occurrence of a Flip-in Event, in which case the Rights could be exercised to purchase Series A Preferred Stock. A Distribution Date resulting from any occurrence described in (i) above would necessarily follow the occurrence of a Flip-in Event, in which case the Rights could be exercised to purchase shares of Common Stock (or other securities or assets) as described above. The Rights will expire on the earliest of: (i) April 7, 2019 or such earlier date as of which our Board of Directors determines that the Tax Assets Rights Plan is no longer necessary for the preservation of our Tax Benefits; (ii) the time at which the Rights are redeemed; (iii) the time at which the Rights are exchanged; (iv) the effective time of the repeal of Section 382 of the Internal Revenue Code if the Board determines that the Tax Assets Rights Plan is no longer necessary for the preservation of our Tax Benefits; and (v) the first day of a taxable year to which our Board of Directors determines that no Tax Benefits may be carried forward.

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- Definition The entire disclosure for income taxes. Disclosures may include net deferred tax liability or asset recognized in an enterprise's statement of financial position, net change during the year in the total valuation allowance, approximate tax effect of each type of temporary difference and carryforward that gives rise to a significant portion of deferred tax liabilities and deferred tax assets, utilization of a tax carryback, and tax uncertainties information. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(h)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32559-109319 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32718-109319 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32639-109319 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32537-109319 + Details
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