| Component: (Network and Table) | |
|---|---|
| Network | 4050 - Disclosure - Inventories (Details) (http://www.cartech.com/role/DisclosureInventoriesDetails) |
| Table | (Implied) |
| Reporting Entity [Axis] | 0000017843 (http://www.sec.gov/CIK) |
| Inventories | Period [Axis] | ||
|---|---|---|---|
2012-07-01 - 2013-06-30 | 2011-07-01 - 2012-06-30 | 2010-07-01 - 2011-06-30 | |
Inventories | |||
Raw materials and supplies | 111,600,000 | 114,100,000 | |
Work in process | 325,900,000 | 312,400,000 | |
Finished and purchased products | 221,700,000 | 215,500,000 | |
Total inventory | 659,200,000 | 642,000,000 | |
Inventory LIFO reserve | 222,400,000 | 279,800,000 | |
Current cost of LIFO inventory | 708,300,000 | 759,700,000 | |
Decrease in cost of sales | 2,100,000 | 0 | 1,700,000 |