SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS AND ALLOWANCES

12 Months Ended

Dec. 31, 2018

SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract]

SEC Schedule, 12-09, Schedule of Valuation and Qualifying Accounts Disclosure [Text Block]

SCHEDULE II
ROWAN COMPANIES PLC AND SUBSIDIARIES
VALUATION AND QUALIFYING ACCOUNTS AND ALLOWANCES
FOR THE THREE YEARS ENDED DECEMBER 31, 2018
			Additions
	Balance at									Balance at
	Beginning		Charged to							End of
Description	of Period		Expense		Adjustments		Deductions			Period
	(In millions)
Year Ended December 31, 2018:
Valuation allowance of deferred tax assets	$	869.9	$	104.4	$	—	$	(68.4	)	$	905.9
Year Ended December 31, 2017:
Valuation allowance of deferred tax assets	$	889.8	$	—	$	—	$	(19.9	)	$	869.9
Year Ended December 31, 2016:
Valuation allowance of deferred tax assets	$	128.3	$	761.5	$	—	$	—		$	889.8

For the years ended December 31, 2018 and 2017, management has assessed the need for continued valuation allowances on deferred tax assets. The changes to the valuation allowance balance is discussed in Note 13 to our consolidated financial statements in Part II, Item 8 of this Annual Report.

For the year ended December 31, 2016, management assessed negative and positive evidence and determined the need to establish a valuation allowance against the Luxembourg deferred tax assets of $747 million.