[["", "2018", "2017", "2016"], ["balance at beginning of fiscal year", "$ 148.9", "$ 166.8", "$ 106.6"], ["additions related to purchase accounting ( 1 )", "3.4", "7.7", "16.5"], ["additions for tax positions taken in current year", "3.1", "5.0", "30.3"], ["additions for tax positions taken in prior fiscal years", "18.0", "15.2", "20.6"], ["reductions for tax positions taken in prior fiscal years", "-5.3 ( 5.3 )", "-25.6 ( 25.6 )", "-9.7 ( 9.7 )"], ["reductions due to settlement ( 2 )", "-29.4 ( 29