Income Taxes - Operating Loss Carry Forwards (Detail) $ in Millions	Dec. 30, 2017 USD ($)
Income Taxes [Line Items]
Total net operating loss carryforwards	$ 240.3
State [Member]
Income Taxes [Line Items]
Total net operating loss carryforwards	107.4
Foreign [Member]
Income Taxes [Line Items]
Total net operating loss carryforwards	132.9
2018 - 2022 [Member]
Income Taxes [Line Items]
Total net operating loss carryforwards	45.9
2018 - 2022 [Member] | State [Member]
Income Taxes [Line Items]
Total net operating loss carryforwards	0.1
2018 - 2022 [Member] | Foreign [Member]
Income Taxes [Line Items]
Total net operating loss carryforwards	45.8
2023 - 2027 [Member]
Income Taxes [Line Items]
Total net operating loss carryforwards	8.2
2023 - 2027 [Member] | State [Member]
Income Taxes [Line Items]
Total net operating loss carryforwards	0.2
2023 - 2027 [Member] | Foreign [Member]
Income Taxes [Line Items]
Total net operating loss carryforwards	8.0
2028 - 2032 [Member]
Income Taxes [Line Items]
Total net operating loss carryforwards	145.2
2028 - 2032 [Member] | State [Member]
Income Taxes [Line Items]
Total net operating loss carryforwards	107.1
2028 - 2032 [Member] | Foreign [Member]
Income Taxes [Line Items]
Total net operating loss carryforwards	38.1
Indefinite [Member]
Income Taxes [Line Items]
Total net operating loss carryforwards	41.0
Indefinite [Member] | Foreign [Member]
Income Taxes [Line Items]
Total net operating loss carryforwards	$ 41.0