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REVENUES FROM CONTRACTS - Contract Balances (Details) - USD ($) $ in Millions | 9 Months Ended |  |
--- | --- | --- | ---
Sep. 29, 2018 | Jan. 01, 2018 | Dec. 31, 2017
Revenue from Contract with Customer [Abstract] |  |  |
Contract Accounts Receivable | $ 249.0 | $ 222.9 |
Increase (decrease) in accounts receivable | 26.1 |  |
Contract assets | 90.2 | 70.7 | $ 0.0
Increase (decrease) in contract with customer, asset, net, current | 19.5 |  |
Contract Liabilities - current | (75.3) | (86.9) | $ 0.0
Increase (decrease) in contract with customer, liability, current | 11.6 |  |
Contract Liabilities - non-current | (2.0) | 0.0 |
Increase (decrease) in contract with customer, liability, noncurrent | (2.0) |  |
Net contract balance | 261.9 | $ 206.7 |
Increase (decrease) in contract with customers, net | $ 55.2 |  |

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- Definition For an unclassified balance sheet, the amount due from customers or clients for goods or services that have been delivered or sold in the normal course of business, reduced to their estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(9)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(3)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(4)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(5)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 + Details
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