.4 million in 2006 , and $ 221.1 million in 2005 . depreciation expense was $ 53.5 million in 2007 , $ 48.5 million in 2006 and $ 49.5 million in 2005 . the increase in depreciation from 2006 levels primarily reflects the impact of higher levels of capital spending in 2006 and 2007 . capital expenditures were $ 61.9 million in 2007 , $ 50.5 million in 2006 and $ 40.1 million in 2005