Income Taxes - Operating Loss Carry Forwards (Detail) (USD $) In Millions, unless otherwise specified	Jan. 03, 2015
Income Taxes [Line Items]
Total net operating loss carryforwards	$ 305.3
State [Member]
Income Taxes [Line Items]
Total net operating loss carryforwards	143.1
United States [Member]
Income Taxes [Line Items]
Total net operating loss carryforwards
Foreign [Member]
Income Taxes [Line Items]
Total net operating loss carryforwards	162.2
2015 - 2019 [Member]
Income Taxes [Line Items]
Total net operating loss carryforwards	32.6
2015 - 2019 [Member] | State [Member]
Income Taxes [Line Items]
Total net operating loss carryforwards
2015 - 2019 [Member] | United States [Member]
Income Taxes [Line Items]
Total net operating loss carryforwards
2015 - 2019 [Member] | Foreign [Member]
Income Taxes [Line Items]
Total net operating loss carryforwards	32.6
2020 - 2024 [Member]
Income Taxes [Line Items]
Total net operating loss carryforwards	14.0
2020 - 2024 [Member] | State [Member]
Income Taxes [Line Items]
Total net operating loss carryforwards	0.3
2020 - 2024 [Member] | United States [Member]
Income Taxes [Line Items]
Total net operating loss carryforwards
2020 - 2024 [Member] | Foreign [Member]
Income Taxes [Line Items]
Total net operating loss carryforwards	13.7
2025 - 2029 [Member]
Income Taxes [Line Items]
Total net operating loss carryforwards	21.1
2025 - 2029 [Member] | State [Member]
Income Taxes [Line Items]
Total net operating loss carryforwards
2025 - 2029 [Member] | United States [Member]
Income Taxes [Line Items]
Total net operating loss carryforwards
2025 - 2029 [Member] | Foreign [Member]
Income Taxes [Line Items]
Total net operating loss carryforwards	21.1
2030 - 2034 [Member]
Income Taxes [Line Items]
Total net operating loss carryforwards	157.1
2030 - 2034 [Member] | State [Member]
Income Taxes [Line Items]
Total net operating loss carryforwards	142.8
2030 - 2034 [Member] | United States [Member]
Income Taxes [Line Items]
Total net operating loss carryforwards
2030 - 2034 [Member] | Foreign [Member]
Income Taxes [Line Items]
Total net operating loss carryforwards	14.3
Indefinite [Member]
Income Taxes [Line Items]
Total net operating loss carryforwards	80.5
Indefinite [Member] | State [Member]
Income Taxes [Line Items]
Total net operating loss carryforwards
Indefinite [Member] | United States [Member]
Income Taxes [Line Items]
Total net operating loss carryforwards
Indefinite [Member] | Foreign [Member]
Income Taxes [Line Items]
Total net operating loss carryforwards	$ 80.5