public function offsetGet($id)
	{
		if ($this->rootContainer) {
			try {
				return $this->rootContainer->get($id);
			} catch (NotFoundException $ex) {
				// Fallback to pimple if offsetGet fails.
				return $this->pimpleContainer[$id];
			}
		} else {
			return $this->pimpleContainer[$id];
		}
	}