Acquisitions and Divestitures Acquisitions (Details) $ in Millions |
Jun. 30, 2017
USD ($)
|
|---|---|
| Business Acquisition [Line Items] | |
| Unrecorded Unconditional Purchase Obligation | $ 100 |
| Noncontrolling Interest, Ownership Percentage by Parent | 40.00% |
| Futian Xinshi [Member] | |
| Business Acquisition [Line Items] | |
| Number of Stores | 200 |
| DEUTEK [Member] | |
| Business Acquisition [Line Items] | |
| Number of Stores | 3,500 |