Note 18 - Earnings Per Share (Tables)

12 Months Ended

Dec. 31, 2014

Note 18 - Earnings Per Share (Tables) [Line Items]

Schedule of Weighted Average Number of Shares [Table Text Block]

(in millions of shares)	Year Ended		Four Months Ended
	December 31, 2014		December 31, 2013
Unvested share-based awards		0.1		0.2
Warrants to purchase common shares		1.5		1.7
Total		1.6		1.9

Equity Option [Member]

Note 18 - Earnings Per Share (Tables) [Line Items]

Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block]

	Predecessor
	August 31,		December 31,
(in millions of shares)	2013		2012
Employee stock options		7.0		7.9
Detachable warrants to purchase common shares		40.0		40.0
Total		47.0		47.9