Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-17-085559-index-headers.html | 2017-03-16 17:11:43 | |
| 0001193125-17-085559-index.html | 2017-03-16 17:11:43 | |
| 0001193125-17-085559.txt | 2017-03-16 17:11:43 | |
 0001193125-17-085559-xbrl.zip | 384756 | 2017-03-16 17:11:43 |
| ap-20161231.xml | 3879053 | 2017-03-16 17:11:43 |
| ap-20161231.xsd | 120318 | 2017-03-16 17:11:43 |
| ap-20161231_cal.xml | 163275 | 2017-03-16 17:11:43 |
| ap-20161231_def.xml | 503500 | 2017-03-16 17:11:43 |
| ap-20161231_lab.xml | 993953 | 2017-03-16 17:11:43 |
| ap-20161231_pre.xml | 790705 | 2017-03-16 17:11:43 |
| d300651d10k.htm | 1685337 | 2017-03-16 17:11:43 |
| d300651dex1020.htm | 43025 | 2017-03-16 17:11:43 |
| d300651dex1021.htm | 66542 | 2017-03-16 17:11:43 |
| d300651dex21.htm | 13383 | 2017-03-16 17:11:43 |
| d300651dex231.htm | 1507 | 2017-03-16 17:11:43 |
| d300651dex232.htm | 1337 | 2017-03-16 17:11:43 |
| d300651dex311.htm | 9286 | 2017-03-16 17:11:43 |
| d300651dex312.htm | 9306 | 2017-03-16 17:11:43 |
| d300651dex321.htm | 3450 | 2017-03-16 17:11:43 |
| d300651dex322.htm | 3473 | 2017-03-16 17:11:43 |
| FilingSummary.xml | 78543 | 2017-03-16 17:11:43 |
| Financial_Report.xlsx | 179919 | 2017-03-16 17:11:43 |
 g300651carlh.jpg | 24939 | 2017-03-16 17:11:43 |
 g300651ernestg.jpg | 25411 | 2017-03-16 17:11:43 |
 g300651g65z37.jpg | 55035 | 2017-03-16 17:11:43 |
 g300651g67e60.jpg | 64524 | 2017-03-16 17:11:43 |
 g300651g97e03.jpg | 25064 | 2017-03-16 17:11:43 |
 g300651jamesj.jpg | 24285 | 2017-03-16 17:11:43 |
 g300651john_stanik.jpg | 28458 | 2017-03-16 17:11:43 |
 g300651laurencee.jpg | 24712 | 2017-03-16 17:11:43 |
 g300651leonardm.jpg | 25459 | 2017-03-16 17:11:43 |
 g300651michaeli.jpg | 25870 | 2017-03-16 17:11:43 |
 g300651paula.jpg | 25484 | 2017-03-16 17:11:43 |
 g300651pittsburgh_pennsylvan.jpg | 26613 | 2017-03-16 17:11:43 |
 g300651stephane.jpg | 25323 | 2017-03-16 17:11:43 |
 g300651williamk.jpg | 25516 | 2017-03-16 17:11:43 |
| R1.htm | 29966 | 2017-03-16 17:11:43 |
| R10.htm | 61730 | 2017-03-16 17:11:43 |
| R100.htm | 34776 | 2017-03-16 17:11:43 |
| R101.htm | 58710 | 2017-03-16 17:11:43 |
| R102.htm | 15787 | 2017-03-16 17:11:43 |
| R103.htm | 16902 | 2017-03-16 17:11:43 |
| R104.htm | 5590 | 2017-03-16 17:11:43 |
| R105.htm | 32766 | 2017-03-16 17:11:43 |
| R106.htm | 14758 | 2017-03-16 17:11:43 |
| R107.htm | 4392 | 2017-03-16 17:11:43 |
| R108.htm | 15643 | 2017-03-16 17:11:43 |
| R109.htm | 10570 | 2017-03-16 17:11:43 |
| R11.htm | 51558 | 2017-03-16 17:11:43 |
| R110.htm | 5684 | 2017-03-16 17:11:43 |
| R111.htm | 4874 | 2017-03-16 17:11:43 |
| R112.htm | 8043 | 2017-03-16 17:11:43 |
| R113.htm | 64708 | 2017-03-16 17:11:43 |
| R114.htm | 31288 | 2017-03-16 17:11:43 |
| R115.htm | 21961 | 2017-03-16 17:11:43 |
| R116.htm | 24210 | 2017-03-16 17:11:43 |
| R117.htm | 16937 | 2017-03-16 17:11:43 |
| R118.htm | 22779 | 2017-03-16 17:11:43 |
| R12.htm | 30829 | 2017-03-16 17:11:43 |
| R13.htm | 12872 | 2017-03-16 17:11:43 |
| R14.htm | 17281 | 2017-03-16 17:11:43 |
| R15.htm | 23756 | 2017-03-16 17:11:43 |
| R16.htm | 25457 | 2017-03-16 17:11:43 |
| R17.htm | 30917 | 2017-03-16 17:11:43 |
| R18.htm | 484319 | 2017-03-16 17:11:43 |
| R19.htm | 6974 | 2017-03-16 17:11:43 |
| R2.htm | 90044 | 2017-03-16 17:11:43 |
| R20.htm | 49193 | 2017-03-16 17:11:43 |
| R21.htm | 77433 | 2017-03-16 17:11:43 |
| R22.htm | 77752 | 2017-03-16 17:11:43 |
| R23.htm | 34596 | 2017-03-16 17:11:43 |
| R24.htm | 109965 | 2017-03-16 17:11:43 |
| R25.htm | 6392 | 2017-03-16 17:11:43 |
| R26.htm | 6862 | 2017-03-16 17:11:43 |
| R27.htm | 7745 | 2017-03-16 17:11:43 |
| R28.htm | 42906 | 2017-03-16 17:11:43 |
| R29.htm | 6614 | 2017-03-16 17:11:43 |
| R3.htm | 13079 | 2017-03-16 17:11:43 |
| R30.htm | 94721 | 2017-03-16 17:11:43 |
| R31.htm | 4970 | 2017-03-16 17:11:43 |
| R32.htm | 38556 | 2017-03-16 17:11:43 |
| R33.htm | 31798 | 2017-03-16 17:11:43 |
| R34.htm | 90888 | 2017-03-16 17:11:43 |
| R35.htm | 26775 | 2017-03-16 17:11:43 |
| R36.htm | 15025 | 2017-03-16 17:11:43 |
| R37.htm | 11926 | 2017-03-16 17:11:43 |
| R38.htm | 14748 | 2017-03-16 17:11:43 |
| R39.htm | 21504 | 2017-03-16 17:11:43 |
| R4.htm | 64340 | 2017-03-16 17:11:43 |
| R40.htm | 26928 | 2017-03-16 17:11:43 |
| R41.htm | 18151 | 2017-03-16 17:11:43 |
| R42.htm | 458456 | 2017-03-16 17:11:43 |
| R43.htm | 36873 | 2017-03-16 17:11:43 |
| R44.htm | 76035 | 2017-03-16 17:11:43 |
| R45.htm | 65230 | 2017-03-16 17:11:43 |
| R46.htm | 31103 | 2017-03-16 17:11:43 |
| R47.htm | 100352 | 2017-03-16 17:11:43 |
| R48.htm | 25802 | 2017-03-16 17:11:43 |
| R49.htm | 90375 | 2017-03-16 17:11:43 |
| R5.htm | 40472 | 2017-03-16 17:11:43 |
| R50.htm | 37069 | 2017-03-16 17:11:43 |
| R51.htm | 10770 | 2017-03-16 17:11:43 |
| R52.htm | 43244 | 2017-03-16 17:11:43 |
| R53.htm | 74875 | 2017-03-16 17:11:43 |
| R54.htm | 34288 | 2017-03-16 17:11:43 |
| R55.htm | 12230 | 2017-03-16 17:11:43 |
| R56.htm | 51037 | 2017-03-16 17:11:43 |
| R57.htm | 26599 | 2017-03-16 17:11:43 |
| R58.htm | 11376 | 2017-03-16 17:11:43 |
| R59.htm | 14310 | 2017-03-16 17:11:43 |
| R6.htm | 39263 | 2017-03-16 17:11:43 |
| R60.htm | 13261 | 2017-03-16 17:11:43 |
| R61.htm | 21120 | 2017-03-16 17:11:43 |
| R62.htm | 8474 | 2017-03-16 17:11:43 |
| R63.htm | 17182 | 2017-03-16 17:11:43 |
| R64.htm | 11674 | 2017-03-16 17:11:43 |
| R65.htm | 20058 | 2017-03-16 17:11:43 |
| R66.htm | 17388 | 2017-03-16 17:11:43 |
| R67.htm | 13533 | 2017-03-16 17:11:43 |
| R68.htm | 126426 | 2017-03-16 17:11:43 |
| R69.htm | 25160 | 2017-03-16 17:11:43 |
| R7.htm | 9989 | 2017-03-16 17:11:43 |
| R70.htm | 163230 | 2017-03-16 17:11:43 |
| R71.htm | 48212 | 2017-03-16 17:11:43 |
| R72.htm | 38320 | 2017-03-16 17:11:43 |
| R73.htm | 19915 | 2017-03-16 17:11:43 |
| R74.htm | 20410 | 2017-03-16 17:11:43 |
| R75.htm | 18118 | 2017-03-16 17:11:43 |
| R76.htm | 15691 | 2017-03-16 17:11:43 |
| R77.htm | 24744 | 2017-03-16 17:11:43 |
| R78.htm | 393236 | 2017-03-16 17:11:43 |
| R79.htm | 21449 | 2017-03-16 17:11:43 |
| R8.htm | 118697 | 2017-03-16 17:11:43 |
| R80.htm | 40019 | 2017-03-16 17:11:43 |
| R81.htm | 33204 | 2017-03-16 17:11:43 |
| R82.htm | 21736 | 2017-03-16 17:11:43 |
| R83.htm | 26951 | 2017-03-16 17:11:43 |
| R84.htm | 19171 | 2017-03-16 17:11:43 |
| R85.htm | 65603 | 2017-03-16 17:11:43 |
| R86.htm | 29023 | 2017-03-16 17:11:43 |
| R87.htm | 45746 | 2017-03-16 17:11:43 |
| R88.htm | 24595 | 2017-03-16 17:11:43 |
| R89.htm | 46959 | 2017-03-16 17:11:43 |
| R9.htm | 9021 | 2017-03-16 17:11:43 |
| R90.htm | 6392 | 2017-03-16 17:11:43 |
| R91.htm | 19623 | 2017-03-16 17:11:43 |
| R92.htm | 31943 | 2017-03-16 17:11:43 |
| R93.htm | 25573 | 2017-03-16 17:11:43 |
| R94.htm | 24819 | 2017-03-16 17:11:43 |
| R95.htm | 22310 | 2017-03-16 17:11:43 |
| R96.htm | 39483 | 2017-03-16 17:11:43 |
| R97.htm | 9320 | 2017-03-16 17:11:43 |
| R98.htm | 23829 | 2017-03-16 17:11:43 |
| R99.htm | 31943 | 2017-03-16 17:11:43 |
| report.css | 2768 | 2017-03-16 17:11:43 |
| Show.js | 1411 | 2017-03-16 17:11:43 |