Consolidated Statements of Comprehensive Income (Loss) (Parenthetical) (USD $) In Thousands, unless otherwise specified	11 Months Ended	12 Months Ended
	Dec. 31, 2013	Jan. 31, 2013	Jan. 31, 2012
Statement of Comprehensive Income [Abstract]
Tax amount related to unrealized net gains on investment securities	$ (132)	$ (41)	$ (15)
Tax amount related to foreign currency translation adjustments	100	(631)	16
Tax amount related to unrealized net gains (losses) on interest rate derivative contracts	$ (16,833)	$ (10,261)	$ 16,517