EDGAR Filing Documents for 0001193125-12-072904

Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:

SEC Accession No. 0001193125-12-072904

Filing Date

2012-02-22

Accepted

2012-02-22 16:50:15

Documents

Period of Report

2011-12-31

Document Format Files

Seq	Description	Document	Type	Size
1	10-K	d257667d10k.htm	10-K	2769087
2	EX-10.11	d257667dex1011.htm	EX-10.11	30609
3	EX-10.13	d257667dex1013.htm	EX-10.13	13409
4	EX-21.1	d257667dex211.htm	EX-21.1	6776
5	EX-23.1	d257667dex231.htm	EX-23.1	3853
6	EX-31.1	d257667dex311.htm	EX-31.1	7332
7	EX-31.2	d257667dex312.htm	EX-31.2	7350
8	EX-32.1	d257667dex321.htm	EX-32.1	3234
9	EX-32.2	d257667dex322.htm	EX-32.2	3267
	Complete submission text file	0001193125-12-072904.txt		16609950

Data Files

Seq	Description	Document	Type	Size
10	XBRL INSTANCE DOCUMENT	pra-20111231.xml	EX-101.INS	3069904
11	XBRL TAXONOMY EXTENSION SCHEMA	pra-20111231.xsd	EX-101.SCH	95588
12	XBRL TAXONOMY EXTENSION CALCULATION LINKBASE	pra-20111231_cal.xml	EX-101.CAL	102024
13	XBRL TAXONOMY EXTENSION DEFINITION LINKBASE	pra-20111231_def.xml	EX-101.DEF	378273
14	XBRL TAXONOMY EXTENSION LABEL LINKBASE	pra-20111231_lab.xml	EX-101.LAB	800672
15	XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE	pra-20111231_pre.xml	EX-101.PRE	631824

Mailing Address

Business Address 100 BROOKWOOD PLACE BIRMINGHAM AL 35209 2058774400