Long-term Debt (Tables)

6 Months Ended

May 31, 2014

Debt Disclosure [Abstract]

Summary of Long-Term Debt

	May 31, 2014			November 30, 2013
	(In millions)
Term loan, bearing interest at variable rates (rate of 2.48% as of May 31, 2014), payable in quarterly installments of $1.3 million plus interest, maturing in May 2019	$	100.0		$	45.0
Total senior debt		100.0			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 2039		143.0			193.2
Total convertible subordinated notes		143.2			193.4
Delayed draw term loan, bearing interest at variable rates (rate of 9.50% as of May 31, 2014), maturing in April 2022		79.0			—
Capital lease, payable in monthly installments, maturing in March 2017		0.8			0.8
Total other debt		79.8			0.8
Total debt		783.0			699.2
Less: Amounts due within one year		(4.2	)		(2.9	)
Total long-term debt	$	778.8		$	696.3

Actual Ratios and Required Ratios Under Financial Covenants

Financial Covenant	Actual Ratios as of May 31, 2014	Required Ratios
Interest coverage ratio, as defined under the Senior Credit Facility	3.67 to 1.00	Not less than: 2.4 to 1.00
Leverage ratio, as defined under the Senior Credit Facility	3.85 to 1.00	Not greater than: 4.50 to 1.00