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v3.19.3.a.u2

Summary of Significant Accounting Policies Discussion (Tables) | 12 Months Ended
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Dec. 31, 2019
Accounting Policies [Abstract] |
Schedule of Impacts of 2016-02 [Table Text Block] | The most significant impact was the recognition of ROU assets and lease liabilities for operating leases upon adoption, as set forth in the table below. The Company's accounting for finance leases remained unchanged.
| Adoption of ASU 2016-02 January 1, 2019
| (Dollars in millions)
ASSETS |
Operating lease right-of-use assets | $ | 109.3 |
Total assets | $ | 109.3 |
LIABILITIES |
Accounts payable and accrued expenses | $ | 41.8 |
Total current liabilities | 41.8 |
Operating lease liabilities, less current portion | 67.5 |
Total liabilities | $ | 109.3 |
Estimated useful life of plant and equipment | The estimated useful lives by category of assets are as follows:
|  |  | Years
Building and improvements |  |  | up to 29
Machinery and equipment |  |  | 1 - 15
Leasehold improvements |  |  | Shorter of Useful Life or Remaining Life of Lease

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