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

Quarterly report pursuant to Section 13 or 15(d)

SUPPLEMENTARY GUARANTOR INFORMATION (Supplementary Statements of Condensed Consolidating Cash Flows) (Details)

SUPPLEMENTARY GUARANTOR INFORMATION (Supplementary Statements of Condensed Consolidating Cash Flows) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018	Dec. 31, 2018	Dec. 31, 2017
Repurchase of common shares	$ (124.3)	$ 0.0	听	听
Net cash provided (used) by operating activities	(111.2)	(142.9)	听	听
Purchase of property, plant and equipment	(132.7)	(12.4)	听	听
Deposits for property, plant and equipment	(1.4)	(59.0)	听	听
Intercompany investing	0.0	0.0	听	听
Other investing activities	8.5	0.0	听	听
Net cash used by investing activities	(125.6)	(71.4)	听	听
Dividends paid	(14.8)	0.0	听	听
Repurchase of debt	(10.3)	0.0	听	听
Intercompany financing	0.0	0.0	听	听
Other financing activities	(8.4)	(7.0)	听	听
Net cash used by financing activities	(157.8)	(7.0)	听	听
EFFECT OF EXCHANGE RATE CHANGES ON CASH	0.0	0.2	听	听
Increase/Decrease in Cash and Cash Equivalents, Including Cash Classified Within Other Current Assets Related to Discontinued Operations	(394.6)	(221.1)	听	听
Increase/Decrease in Cash and Cash Equivalents from Discontinued Operations, Classified within Other Current Assets	1.6	0.0	听	听
DECREASE IN CASH AND CASH EQUIVALENTS, INCLUDING CASH CLASSIFIED WITHIN CURRENT ASSETS OF DISCONTINUED OPERATIONS	(393.0)	(221.1)	听	听
Cash and cash equivalents	430.2	757.2	$ 823.2	$ 978.3
Reportable Legal Entities [Member] \| Cliffs Shareholders Equity [Member]	听	听	听	听
Repurchase of common shares	(124.3)	听	听	听
Net cash provided (used) by operating activities	(71.6)	(54.7)	听	听
Purchase of property, plant and equipment	(0.3)	0.0	听	听
Deposits for property, plant and equipment	0.0	0.0	听	听
Intercompany investing	(157.6)	(137.7)	听	听
Other investing activities	0.0	听	听	听
Net cash used by investing activities	(157.9)	(137.7)	听	听
Dividends paid	(14.8)	听	听	听
Repurchase of debt	(10.3)	听	听	听
Intercompany financing	0.0	0.0	听	听
Other financing activities	(14.1)	(2.9)	听	听
Net cash used by financing activities	(163.5)	(2.9)	听	听
EFFECT OF EXCHANGE RATE CHANGES ON CASH	听	0.0	听	听
Increase/Decrease in Cash and Cash Equivalents, Including Cash Classified Within Other Current Assets Related to Discontinued Operations	(393.0)	(195.3)	听	听
Increase/Decrease in Cash and Cash Equivalents from Discontinued Operations, Classified within Other Current Assets	0.0	0.0	听	听
DECREASE IN CASH AND CASH EQUIVALENTS, INCLUDING CASH CLASSIFIED WITHIN CURRENT ASSETS OF DISCONTINUED OPERATIONS	(393.0)	(195.3)	听	听
Cash and cash equivalents	426.8	753.6	819.8	948.9
Reportable Legal Entities [Member] \| Guarantor Subsidiaries [Member]	听	听	听	听
Repurchase of common shares	0.0	听	听	听
Net cash provided (used) by operating activities	(38.4)	(64.7)	听	听
Purchase of property, plant and equipment	(132.4)	(12.3)	听	听
Deposits for property, plant and equipment	(1.3)	(54.4)	听	听
Intercompany investing	(0.4)	(4.8)	听	听
Other investing activities	8.4	听	听	听
Net cash used by investing activities	(125.7)	(71.5)	听	听
Dividends paid	0.0	听	听	听
Repurchase of debt	0.0	听	听	听
Intercompany financing	157.5	135.6	听	听
Other financing activities	6.6	(0.5)	听	听
Net cash used by financing activities	164.1	135.1	听	听
EFFECT OF EXCHANGE RATE CHANGES ON CASH	听	0.0	听	听
Increase/Decrease in Cash and Cash Equivalents, Including Cash Classified Within Other Current Assets Related to Discontinued Operations	0.0	(1.1)	听	听
Increase/Decrease in Cash and Cash Equivalents from Discontinued Operations, Classified within Other Current Assets	0.0	0.0	听	听
DECREASE IN CASH AND CASH EQUIVALENTS, INCLUDING CASH CLASSIFIED WITHIN CURRENT ASSETS OF DISCONTINUED OPERATIONS	0.0	(1.1)	听	听
Cash and cash equivalents	0.7	1.0	0.7	2.1
Reportable Legal Entities [Member] \| Non-Guarantor Subsidiaries [Member]	听	听	听	听
Repurchase of common shares	0.0	听	听	听
Net cash provided (used) by operating activities	(1.2)	(23.5)	听	听
Purchase of property, plant and equipment	0.0	(0.1)	听	听
Deposits for property, plant and equipment	(0.1)	(4.6)	听	听
Intercompany investing	0.0	0.0	听	听
Other investing activities	0.1	听	听	听
Net cash used by investing activities	0.0	(4.7)	听	听
Dividends paid	0.0	听	听	听
Repurchase of debt	0.0	听	听	听
Intercompany financing	0.5	6.9	听	听
Other financing activities	(0.9)	(3.6)	听	听
Net cash used by financing activities	(0.4)	3.3	听	听
EFFECT OF EXCHANGE RATE CHANGES ON CASH	听	0.2	听	听
Increase/Decrease in Cash and Cash Equivalents, Including Cash Classified Within Other Current Assets Related to Discontinued Operations	(1.6)	(24.7)	听	听
Increase/Decrease in Cash and Cash Equivalents from Discontinued Operations, Classified within Other Current Assets	1.6	0.0	听	听
DECREASE IN CASH AND CASH EQUIVALENTS, INCLUDING CASH CLASSIFIED WITHIN CURRENT ASSETS OF DISCONTINUED OPERATIONS	0.0	(24.7)	听	听
Cash and cash equivalents	2.7	2.6	2.7	27.3
Consolidation, Eliminations [Member]	听	听	听	听
Repurchase of common shares	0.0	听	听	听
Net cash provided (used) by operating activities	0.0	0.0	听	听
Purchase of property, plant and equipment	0.0	0.0	听	听
Deposits for property, plant and equipment	0.0	0.0	听	听
Intercompany investing	158.0	142.5	听	听
Other investing activities	0.0	听	听	听
Net cash used by investing activities	158.0	142.5	听	听
Dividends paid	0.0	听	听	听
Repurchase of debt	0.0	听	听	听
Intercompany financing	(158.0)	(142.5)	听	听
Other financing activities	0.0	0.0	听	听
Net cash used by financing activities	(158.0)	(142.5)	听	听
EFFECT OF EXCHANGE RATE CHANGES ON CASH	听	0.0	听	听
Increase/Decrease in Cash and Cash Equivalents, Including Cash Classified Within Other Current Assets Related to Discontinued Operations	0.0	0.0	听	听
Increase/Decrease in Cash and Cash Equivalents from Discontinued Operations, Classified within Other Current Assets	0.0	0.0	听	听
DECREASE IN CASH AND CASH EQUIVALENTS, INCLUDING CASH CLASSIFIED WITHIN CURRENT ASSETS OF DISCONTINUED OPERATIONS	0.0	0.0	听	听
Cash and cash equivalents	$ 0.0	$ 0.0	$ 0.0	$ 0.0