Business Segment Information Level 4 (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended		3 Months Ended			9 Months Ended			3 Months Ended		9 Months Ended		3 Months Ended		9 Months Ended		3 Months Ended		9 Months Ended		3 Months Ended		9 Months Ended		3 Months Ended		9 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2013 OperatingSegmentHealthcare [Member]	Dec. 31, 2012 OperatingSegmentHealthcare [Member]		Dec. 31, 2013 OperatingSegmentHealthcare [Member]	Dec. 31, 2012 OperatingSegmentHealthcare [Member]		Dec. 31, 2013 OperatingSegmentLifeSciences [Member]	Dec. 31, 2012 OperatingSegmentLifeSciences [Member]	Dec. 31, 2013 OperatingSegmentLifeSciences [Member]	Dec. 31, 2012 OperatingSegmentLifeSciences [Member]	Dec. 31, 2013 OperatingSegmentIsomedix [Member]	Dec. 31, 2012 OperatingSegmentIsomedix [Member]	Dec. 31, 2013 OperatingSegmentIsomedix [Member]	Dec. 31, 2012 OperatingSegmentIsomedix [Member]	Dec. 31, 2013 OperatingSegmentAllExceptCorpandOther [Member]	Dec. 31, 2012 OperatingSegmentAllExceptCorpandOther [Member]	Dec. 31, 2013 OperatingSegmentAllExceptCorpandOther [Member]	Dec. 31, 2012 OperatingSegmentAllExceptCorpandOther [Member]	Dec. 31, 2013 OperatingSegmentCorpandOther [Member]	Dec. 31, 2012 OperatingSegmentCorpandOther [Member]	Dec. 31, 2013 OperatingSegmentCorpandOther [Member]	Dec. 31, 2012 OperatingSegmentCorpandOther [Member]	Dec. 31, 2013 OperatingSegmentAll [Member]	Dec. 31, 2012 OperatingSegmentAll [Member]	Dec. 31, 2013 OperatingSegmentAll [Member]	Dec. 31, 2012 OperatingSegmentAll [Member]	Sep. 30, 2012 Customer Rebates [Member]
Segment Reporting Information [Line Items]
rebate program adjustment																															$ 20,400
System 1 Class Action		15,800
Revenues	405,551	380,405	1,156,965	1,073,686	291,831	271,096		828,051	757,430	[1]	64,128	65,043	182,425	180,116	49,157	43,392	144,792	133,732	405,116	379,531	1,155,268	1,071,278	435	874	1,697	2,408	405,551	380,405	1,156,965	1,073,686
Operating Income (Loss)	55,890	67,140	147,202	177,719	31,238	45,478	[2]	72,111	110,355	[2]	12,092	12,798	38,672	35,201	14,054	11,103	42,484	39,348	57,384	69,379	153,267	184,904	(1,494)	(2,239)	(6,065)	(7,185)	55,890	67,140	147,202	177,719
System 1 Rebate and class action adjustments				$ 37,300

[1] (1) Includes an increase of $20,400 in the fiscal 2013 nine months ended December 31, 2012 period, resulting from adjustments related to the SYSTEM 1 Rebate Program.

[2] (2) Includes an increase of $15,800 in the fiscal 2013 three months ended December 31, 2012 period and $37,300 in the fiscal 2013 nine months ended December 31, 2012 period, resulting from adjustments related to the SYSTEM 1 Rebate Program and class action settlement.