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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Reclassified out of cash flows from operating activities | $ (1,056,557) | $ (1,024,083) | $ (1,036,109)
Cash flows from operating and finance activities | $ (867,148) | (775,639) | (108,756)
eCommerce revenue | 51.00% |  |
Service fee revenue (approximately) | 1.00% |  |
Accrued sales incentives | $ 45,000 | 36,000 |
Advertising expense | 187,000 | 180,000 | 180,000
Catalog-related prepaid expenses | $ 10,000 | 12,000 |
Original maturity of cash (days) | 90 days |  |
Percentage of LIFO Inventory | 64.00% |  |
Depreciation | $ 170,000 | 166,000 | 162,000
Capitalized interest costs | $ 2,000 | 2,000 | 4,000
Standard product warranty period | 1 year |  |
Warranty reserves | $ 2,000 | 3,000 |
Minimum [Member] |  |  |
Buildings, structures and improvements, estimated useful life | 10 years |  |
Furniture, fixtures, machinery equipment, estimated useful life | 3 years |  |
Capitalized software amortization period | 3 years |  |
Finite-lived intangible assets, useful life | 7 years |  |
Maximum [Member] |  |  |
Buildings, structures and improvements, estimated useful life | 30 years |  |
Furniture, fixtures, machinery equipment, estimated useful life | 10 years |  |
Capitalized software amortization period | 5 years |  |
Finite-lived intangible assets, useful life | 22 years |  |
Accounting Standards Update 2016-09 [Member] |  |  |
Reclassified out of cash flows from operating activities |  | 21,000 | 46,000
Cash flows from operating and finance activities |  | $ 21,000 | $ 46,000

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