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Stock-Based Compensation (Tables) | 9 Months Ended
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Sep. 30, 2019
Share-based Payment Arrangement [Abstract] |
Share-based Payment Arrangement, Option, Activity [Table Text Block] |
Stock Options | For the period June 1 - September 30, 2019
| Number of Shares (in thousands) | Weighted Average Exercise Price (per share) | Weighted Average Remaining Contractual Term (in years) | Aggregate Intrinsic Value (in thousands)
Outstanding at June 1, 2019 | 10,468 |  | $ | 32.11 |  |  |
Exercised | (178 | ) | 21.23 |  |  |
Forfeited/Expired | (36 | ) | 38.26 |  |  |
Outstanding at September 30, 2019 | 10,254 |  | $ | 32.28 |  | 4.90 | $ | 15,855 |
Exercisable at September 30, 2019 | 8,215 |  | $ | 30.32 |  | 4.12 | $ | 14,868 |
Share-based Payment Arrangement, Outstanding Award, Activity, Excluding Option [Table Text Block] |
| For the period June 1 - September 30, 2019
| Number of Shares (in thousands) | Weighted Average Grant Date Fair Value (per share)
Nonvested at June 1, 2019 | 3,757 |  | $ | 35.56 |
Granted | 2,228 |  | 28.88 |
Vested | (374 | ) | 39.22 |
Forfeited | (35 | ) | 36.10 |
Nonvested at September 30, 2019 | 5,576 |  | $ | 32.66 |

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- Definition Tabular disclosure of activity for outstanding award under share-based payment arrangement excluding share and unit options and nonvested award. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + Details
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