Benefit Plans - Net Periodic Pension Cost (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended	6 Months Ended	3 Months Ended	6 Months Ended	3 Months Ended		9 Months Ended	3 Months Ended		9 Months Ended
	Aug. 31, 2013 Successor [Member] U.S. Pension Plan [Member]	Aug. 31, 2013 Successor [Member] U.S. Pension Plan [Member]	Aug. 31, 2013 Successor [Member] German Pension Plan [Member]	Aug. 31, 2013 Successor [Member] German Pension Plan [Member]	Feb. 28, 2013 Predecessor [Member] U.S. Pension Plan [Member]	Aug. 31, 2012 Predecessor [Member] U.S. Pension Plan [Member]	Aug. 31, 2012 Predecessor [Member] U.S. Pension Plan [Member]	Feb. 28, 2013 Predecessor [Member] German Pension Plan [Member]	Aug. 31, 2012 Predecessor [Member] German Pension Plan [Member]	Aug. 31, 2012 Predecessor [Member] German Pension Plan [Member]
Pension Plans, Postretirement and Other Employee Benefits [Line Items]
Service cost	$ 56	$ 112	$ 16	$ 32	$ 56	$ 44	$ 132	$ 16	$ 9	$ 27
Interest cost on projected benefit obligation	557	1,114	220	433	529	584	1,752	220	252	767
Expected return on plan assets	(680)	(1,360)			(665)	(616)	(1,848)
Net amortization			45	89	300	317	951	45
Net periodic pension cost	$ (67)	$ (134)	$ 281	$ 554	$ 220	$ 329	$ 987	$ 281	$ 261	$ 794