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Leases (Tables) | 3 Months Ended
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Mar. 31, 2019
Leases [Abstract] |
Lease, Cost | Components of lease expense for the three months ended March 31, 2019 (in millions):
Operating lease expense |  | $ | 7.9 |
Short-term lease expense |  | 0.4 |
Variable lease expense |  | 1.1 |
Total lease expense |  | $ | 9.4 |
Cash Flow, Supplemental Disclosures | Supplemental cash flow information related to leases for the three months ended March 31, 2019 (in millions):
Cash paid for amounts included in the measurement of operating lease liabilities |  | $ | 7.9 |
Operating lease right of use assets obtained in exchange for new operating lease liabilities |  | $ | 4.4 |
Weighted-average remaining lease term of operating leases |  | 4.3 years |
Weighted-average discount rate of operating leases |  | 4.6 | %
Lessee, Operating Lease, Liability, Maturity | Maturities of operating lease liabilities as of March 31, 2019 (in millions):
Remainder of 2019 |  | $ | 23.6 |
2020 |  | 26.1 |
2021 |  | 21.8 |
2022 |  | 16.4 |
2023 |  | 11.1 |
Thereafter |  | 8.6 |
Total future minimum lease payments |  | 107.6 |
Less imputed interest |  | (10.7 | )
Total operating lease liabilities |  | $ | 96.9 |

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- Definition The entire disclosure for supplemental cash flow activities, including cash, noncash, and part noncash transactions, for the period. Noncash is defined as information about all investing and financing activities of an enterprise during a period that affect recognized assets or liabilities but that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -URI http://asc.fasb.org/topic&trid=2134446 + Details
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- Definition Tabular disclosure of lessee's lease cost. Includes, but is not limited to, interest expense for finance lease, amortization of right-of-use asset for finance lease, operating lease cost, short-term lease cost, variable lease cost and sublease income. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918686-209980 + Details
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- Definition Tabular disclosure of undiscounted cash flows of lessee's operating lease liability. Includes, but is not limited to, reconciliation of undiscounted cash flows to operating lease liability recognized in statement of financial position. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918701-209980 + Details
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