All the acquisitions mean a high debt-to-capital ratio of 49%, versus 35% for peers.

FORBES: Gassing Up

Rouge has virtually no debt, compared with an industry average debt-to-capital ratio of 35%.

FORBES: Man of steel

The good news is Rouge has virtually no debt, compared with an industry average debt-to-capital ratio of 35%.

FORBES: Man of steel

We looked for companies that had both quarterly and annual reductions in outstanding shares, a price-to-earnings ratio of less than 25, three-year earnings per share growth of more than 15% and debt to total capital of less than 30%.

FORBES: Ten Buyback Stocks To Buy

Its return on equity, 19%, is among the highest in the industry, and the company enjoys the lowest debt-to-capital ratio (29%, against an industry average of 50%).

FORBES: Surgery in The Sticks

If a buyback raises the debt-to-equity ratio, it can lower the firm's overall cost of capital (because in most countries interest payments, unlike dividends, are tax deductible).

ECONOMIST: Share nonsense