Acquisition (Definite-lived intangible assets acquired) (Details) - Starbucks Coffee Japan Ltd Member $ in Millions |
Jun. 28, 2015
USD ($)
|
|---|---|
| Acquired Finite-Lived Intangible Assets [Line Items] | |
| Gross carrying amount | $ 281.9 |
| Accumulated amortization | (28.8) |
| Net carrying amount | 253.1 |
| Reacquired Rights | |
| Acquired Finite-Lived Intangible Assets [Line Items] | |
| Gross carrying amount | 266.2 |
| Accumulated amortization | (27.6) |
| Net carrying amount | 238.6 |
| Licensing Agreements | |
| Acquired Finite-Lived Intangible Assets [Line Items] | |
| Gross carrying amount | 13.1 |
| Accumulated amortization | (0.8) |
| Net carrying amount | 12.3 |
| Customer Loyalty Program | |
| Acquired Finite-Lived Intangible Assets [Line Items] | |
| Gross carrying amount | 2.6 |
| Accumulated amortization | (0.4) |
| Net carrying amount | $ 2.2 |