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RECENT ACCOUNTING PRONOUNCEMENTS Adoption of ASU 2017-07 (Tables) | 9 Months Ended
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Sep. 30, 2018
Accounting Standards Update 2017-07 [Member] |
Error Corrections and Prior Period Adjustments Restatement [Line Items] |
Schedule of Error Corrections and Prior Period Adjustments [Table Text Block] | As a result of the adoption, our Consolidated Statement of Operations for the three and nine months ended September 30, 2017 was restated as follows:
For the Three Months Ended September 30, 2017 | Previously Reported | Effect of Change | Restated
Costs of revenue |  | $ | 441.9 |  |  |  | $ | (0.7 | ) |  |  | $ | 441.2 |  |
General and administrative expenses(a) |  | 74.6 |  |  |  | (4.5 | ) |  |  | 70.1 |  |
Research and development expenses |  | 23.1 |  |  |  | (0.1 | ) |  |  | 23.0 |  |
Operating income |  | 127.8 |  |  |  | 5.3 |  |  |  | 133.1 |  |
Interest and non-operating expenses, net |  | 0.2 |  |  |  | 5.3 |  |  |  | 5.5 |  |
For the Nine Months Ended September 30, 2017 | Previously Reported | Effect of Change | Restated
Costs of revenue |  | $ | 1,291.9 |  |  |  | $ | (2.1 | ) |  |  | $ | 1,289.8 |  |
General and administrative expenses(a) |  | 206.1 |  |  |  | (5.7 | ) |  |  | 200.4 |  |
Sales and marketing expenses |  | 128.3 |  |  |  | (0.1 | ) |  |  | 128.2 |  |
Research and development expenses |  | 68.2 |  |  |  | (0.2 | ) |  |  | 68.0 |  |
Operating income |  | 241.1 |  |  |  | 8.1 |  |  |  | 249.2 |  |
Interest and non-operating expenses, net |  | 0.1 |  |  |  | 8.1 |  |  |  | 8.2 |  |

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- Definition Tabular disclosure of prior period adjustments to previously issued financial statements including (1) the effect of the correction on each financial statement line item and any per-share amounts affected for each prior period presented (2) the cumulative effect of the change on retained earnings or other appropriate components of equity or net assets in the statement of financial position, as of the beginning of the earliest period presented, and (3) the effect of the prior period adjustments (both gross and net of applicable income tax) on the net income of each prior period presented in the entity's annual report for the year in which the adjustments are made. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 250 -SubTopic 10 -Section 50 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=109234566&loc=d3e22663-107794 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 250 -SubTopic 10 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=109234566&loc=d3e22644-107794 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 250 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=109234566&loc=d3e22658-107794 + Details
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