星空传媒 Inc. Quarterly report pursuant to Section 13 or 15(d)

Quarterly report pursuant to Section 13 or 15(d)

FAIR VALUE MEASUREMENTS (Carrying Value And Fair Value Of Financial Instruments Disclosure) (Details)

FAIR VALUE MEASUREMENTS (Carrying Value And Fair Value Of Financial Instruments Disclosure) (Details) - USD ($) $ in Millions	Mar. 31, 2020	Dec. 31, 2019
Fair Value [Member]	听	听
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]	听	听
Total long-term debt, fair value	$ 3,614.2	$ 2,237.0
Carrying Value [Member]	听	听
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]	听	听
Total long-term debt, fair value	4,357.1	2,113.8
Senior Notes \| Fair Value [Member] \| Fair Value, Inputs, Level 1 [Member]	听	听
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]	听	听
Total long-term debt, fair value	2,712.8	2,237.0
Senior Notes \| Carrying Value [Member] \| Fair Value, Inputs, Level 1 [Member]	听	听
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]	听	听
Total long-term debt, fair value	3,455.3	2,113.8
Industrial Revenue Bonds [Member] \| Fair Value [Member] \| Fair Value, Inputs, Level 1 [Member]	听	听
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]	听	听
Total long-term debt, fair value	101.4	0.0
Industrial Revenue Bonds [Member] \| Carrying Value [Member] \| Fair Value, Inputs, Level 1 [Member]	听	听
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]	听	听
Total long-term debt, fair value	101.8	0.0
Line of Credit [Member] \| Fair Value [Member] \| Fair Value, Inputs, Level 2 [Member] \| Credit Facility	听	听
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]	听	听
Total long-term debt, fair value	$ 800.0	0.0
Line of Credit [Member] \| Carrying Value [Member] \| Fair Value, Inputs, Level 2 [Member] \| Credit Facility	听	听
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]	听	听
Total long-term debt, fair value	听	$ 0.0