Facilities Relocation and Other Transition Costs (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended		10 Months Ended
	Sep. 30, 2012		Sep. 30, 2012		Sep. 30, 2012
Restructuring Cost and Reserve [Line Items]
Facilities relocation and other transition costs	$ 10,664		$ 24,321
Facilities relocation and other transitions costs since inception					29,651
Facilities relocation and other transition costs expected to be incurred			38,236
Accelerated depreciation expense	621		1,921		2,118
Total Accelerated depreciation expected to be incurred			2,593
Facilities relocation and other transition costs, net	11,285		26,242
Facilities relocation and other transition costs, net, inception to date					31,769
Facilities relocation and other transition costs, net, expected to be incurred			40,829
Restructuring Reserve [Roll Forward]
Facilities Relocation, beginning balance			5,345
Charges			24,321
Restructuring Reserve, Settled with Cash			16,424
Facilities Relocation, ending balance	13,242		13,242		13,242
Severance, Retention and Other Payroll Costs [Member]
Restructuring Cost and Reserve [Line Items]
Facilities relocation and other transition costs	2,236		9,552
Facilities relocation and other transitions costs since inception					14,897
Facilities relocation and other transition costs expected to be incurred			18,376
Restructuring Reserve [Roll Forward]
Facilities Relocation, beginning balance			5,345
Charges			9,552
Restructuring Reserve, Settled with Cash			9,020
Facilities Relocation, ending balance	5,877		5,877		5,877
Relocation Costs [Member]
Restructuring Cost and Reserve [Line Items]
Facilities relocation and other transition costs	1,776		3,857
Facilities relocation and other transitions costs since inception					3,857
Facilities relocation and other transition costs expected to be incurred			7,043
Restructuring Reserve [Roll Forward]
Facilities Relocation, beginning balance			0
Charges			3,857
Restructuring Reserve, Settled with Cash			2,780
Facilities Relocation, ending balance	1,077		1,077		1,077
Atlanta facility closure costs (a) [Member]
Restructuring Cost and Reserve [Line Items]
Facilities relocation and other transition costs	4,224		4,401
Facilities relocation and other transitions costs since inception					4,401
Facilities relocation and other transition costs expected to be incurred			4,501
Atlanta facility closure costs reclassification			838	[1]
Restructuring Reserve [Roll Forward]
Facilities Relocation, beginning balance			0	[1]
Charges			4,401	[1]
Restructuring Reserve, Settled with Cash			(661)	[1]
Facilities Relocation, ending balance	5,062	[1]	5,062	[1]	5,062	[1]
Consulting and Professional Fees [Member]
Restructuring Cost and Reserve [Line Items]
Facilities relocation and other transition costs	1,676		4,494
Facilities relocation and other transitions costs since inception					4,494
Facilities relocation and other transition costs expected to be incurred			6,074
Restructuring Reserve [Roll Forward]
Facilities Relocation, beginning balance			0
Charges			4,494
Restructuring Reserve, Settled with Cash			3,462
Facilities Relocation, ending balance	1,032		1,032		1,032
Other [Member]
Restructuring Cost and Reserve [Line Items]
Facilities relocation and other transition costs	752		2,017
Facilities relocation and other transitions costs since inception					2,002
Facilities relocation and other transition costs expected to be incurred			2,242
Restructuring Reserve [Roll Forward]
Facilities Relocation, beginning balance			0
Charges			2,017
Restructuring Reserve, Settled with Cash			1,823
Facilities Relocation, ending balance	194		194		194
Fiscal year 2012 [Member]
Restructuring Cost and Reserve [Line Items]
Consolidation of Facilities, Expected Cost			30,800
Fiscal Year 2013 [Member]
Restructuring Cost and Reserve [Line Items]
Consolidation of Facilities, Expected Cost			$ 4,500

[1] Includes an $838 adjustment for the reclassification of the Atlanta facility closure costs from other accounts.