Long-term Debt (Tables)

3 Months Ended

Feb. 28, 2014

Debt Disclosure [Abstract]

Summary of Long-Term Debt

	February 28, 2014			November 30, 2013
	(In millions)
Term loan, bearing interest at variable rates (rate of 3.66% as of February 28, 2014), payable in quarterly installments of $0.6 million plus interest, maturing in November 2016	$	44.4		$	45.0
Total senior debt		44.4			45.0
Senior secured notes, bearing interest at 7.125% per annum, interest payments due in March and September, maturing in March 2021		460.0			460.0
Total senior secured notes		460.0			460.0
Convertible subordinated debentures, bearing interest at 2.25% per annum, interest payments due in May and November, maturing in November 2024		0.2			0.2
Convertible subordinated debentures, bearing interest at 4.0625% per annum, interest payments due in June and December, maturing in December 2034		188.7			193.2
Total convertible subordinated notes		188.9			193.4
Capital lease, payable in monthly installments, maturing in March 2017		0.8			0.8
Total other debt		0.8			0.8
Total debt		694.1			699.2
Less: Amounts due within one year		(3.0	)		(2.9	)
Total long-term debt	$	691.1		$	696.3

Actual Ratios and Required Ratios Under Financial Covenants

Financial Covenant	Actual Ratios as of February 28, 2014	Required Ratios
Interest coverage ratio, as defined under the Senior Credit Facility	4.25 to 1.00	Not less than: 2.4 to 1.00
Leverage ratio, as defined under the Senior Credit Facility	3.03 to 1.00	Not greater than: 4.25 to 1.00